99 cents store

HotWheels: Speed in 1:64

2011.05.31 06:10 yanchovilla HotWheels: Speed in 1:64

Hot Wheels on reddit! Reddit's dedicated Hot Wheels section, welcoming all forms of die-cast, not just Hot Wheels.
[link]


2011.08.05 10:33 humanman42 Thrift Store Hauls : What did you find today?

A forum dedicated to sharing your thrift finds - garage sales, flea markets, pawn shops, and more are all allowed. Come join our community and share your passion for the hunt with like minded people!
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2008.01.25 07:35 funny

Welcome to Funny, Reddit's largest humour depository.
[link]


2023.03.30 07:25 hpofficejetpro8035 Found all of these at the same Goodwill for 99 cents each!

Found all of these at the same Goodwill for 99 cents each! submitted by hpofficejetpro8035 to stephenking [link] [comments]


2023.03.30 07:24 Dizzyliff Thoughts on Reverse Osmosis Water?

I used to suffer from TERRIBLE fatigue. I'm talking if i was in Wal Mart, I could happily pass out on the cold, dirty, tile floor. Wouldn't even think about it. Anywhere I went, I was always tired. In school (way past that age, now), I was always falling asleep everywhere, never wanted to go to gym class, never wanted to be active. So, yeah. Had no idea really what it was, but I was just tired ALL_THE_TIME...
Fast forward a few years and i got alopecia and i got health obsessed (just finding out general things about what's good/ pure, what's bad for you, etc. etc.). Got really into finding the purest water and I discovered reverse osmosis water. At first it kind of terrified me because it's literally stripped bare, but the thing that attracted me to it was the no fluoride factor. Now, after several years of drinking almost exclusively reverse osmosis water I have more energy than EVER. Too much sometimes. I can make it through a workday now no problem. Can play around, do whatever. My mind seems clearer (although, my short term memory is not the greatest). I mean, i can't ever see myself going back to the tap. I guess I would drink spring water if I could, but R.O. water is only 29 cents a gallon at the whole foods store. I Just squirt 4 or 5 drops of trace minerals in a glass and I'm good... And, reverse osmosis water is really the only major health changed I've made and stuck with -That and not using fluorinated toothpaste. Which, in a couple months I will have been approx 10 years fluoride toothpaste free. I go to the dentist at least once a year and he always tells me how great everything looks. Full disclosure: I have two VERY tiny cavities that have somehow not progressed over the course of ten years... Wonder why?
Any objections?? Genuinely curious...
Thanks
submitted by Dizzyliff to herbalism [link] [comments]


2023.03.30 07:24 ImmortallOutlaw Which one better?

Which one better?
Also don’t know much but want to know cpu difference in frequency a big deal.
submitted by ImmortallOutlaw to laptops [link] [comments]


2023.03.30 07:23 AutoModerator [Get] Tanner Planes – Digital Dropshipping Mastery

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2023.03.30 07:17 JAX2905 In Road Trip (2000) it costs Josh 99 cents to send his VHS sex tape to Tiffany. This is a reference to how this timeless classic remains so relatable.

In Road Trip (2000) it costs Josh 99 cents to send his VHS sex tape to Tiffany. This is a reference to how this timeless classic remains so relatable. submitted by JAX2905 to shittymoviedetails [link] [comments]


2023.03.30 07:08 seyhtyujuyg Where To Watch Dungeons & Dragons Honor Among Thieves Online for Free?

Where to Watch Dungeons & Dragons Honor Among Thieves Online for Free? Let’s Check Here Dungeons & Dragons Honor Among Thieves the full movie download at on 123Movis & Reddit, Dungeons & Dragons Honor Among Thieves 2023 is available on ourwebsite for free streaming. Just click the link below to watch the full movie in its entirety. Detailson how you can watch Dungeons & Dragons Honor Among Thieves for free throughout the year
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If you are looking for a way to download Dungeons & Dragons Honor Among Thieves full movie or watch it online, we recommend legal methods. You can purchase the film on official online stores or streaming websites. Watching a movie is always a good idea, especially if it is good. Dungeons & Dragons Honor Among Thieves is one of those movies you do not want to miss out
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Following its release in theaters, the film will be available to stream on Paramount Plus. Expect the movie to hit the streamer 45 days after its theatrical run, which should be sometime in April.
it’s most likely that Paramount Plus will be the main platform that will stream Dungeons & Dragons Honor Among Thieves.


Is Dungeons & Dragons: Honor Among Thieves Release Date?
Dungeons & Dragons: Honor Among Thieves had its world premiere at South by Southwest on March 10, 2023, and is scheduled to be released in the United States on March 31, 2023, by Paramount Pictures. The film received positive reviews from critics.

Will Dungeons & Dragons Honor Among Thieves be on Netflix?
No, Dungeons & Dragons Honor Among Thieves will not be available on Netflix — at least not anytime soon, since it will be heading straight to Peacock after its theatrical release. In the
meantime, you’ll just have to wait for it to become available on the NBCUniversal-owned streaming platform.

Is Dungeons & Dragons Honor Among Thieves streaming on HBO Max?No, Dungeons & Dragons Honor Among Thieves will not be on HBO Max since it’s not a Warner Bros. movie. While the company previously released its movies on HBO Max and in theaters on
the same day, they have since stopped and have implemented a 45-day window between the theatrical release and streaming release.

Is Dungeons & Dragons Honor Among Thieves Available Streaming on Paramount Plus At the time of writing, there is no official streaming release date for Dungeons & Dragons Honor
Among Thieves. However, if we look back at the gap between Dungeons & Dragons Honor Among Thieves (2022) hitting movie theaters, before becoming available to stream on Paramount Plus, we can make some guesses as to when it will be up for streaming.
Dungeons & Dragons Honor Among Thieves (2023) was released on January 14, before arriving on Paramount Plus on March 8. This means there were 53 days between the big screen release, and the streaming release. The film was also available to buy digitally a week before it landed on Paramount Plus, on March 1. With that in mind, we can expect Dungeons & Dragons Honor Among Thieves to be available to stream on Paramount Plus around May 2, 2023.
Paramount Pictures has said in the past, however, that most of their films will be available to stream exclusively on Paramount Plus after a 45-day theatrical window. If this is the case for Dungeons & Dragons Honor Among Thieves, it may arrive earlier than expected, on or around April 24, 2023.

Is Dungeons & Dragons Honor Among Thieves streaming on Video?
Amazon Prime Video subscribers might be disappointed because ‘Dungeons & Dragons Honor Among Thieves’ is not a part of the streaming giant’s library. Alternatively, you have the option to
turn to similar films using your subscription, including ‘Smile,’ ‘Bram Stoker’s Dracula,’ ‘Let the Right One In.’

The bad news is that the movie is not likely to come to Prime Video. Paramount Pictures movies used to head to Amazon Prime Video about a year after the theatrical release, but that’s changed with a lot of movies recently. Instead of heading to Prime Video, they’ve gone to Paramount+.

Is Dungeons & Dragons Honor Among Thieves Available On Hulu?
Viewers are saying that they want to view the new movie Dungeons & Dragons Honor Among Thieves on Hulu. Unfortunately, this is not possible since Hulu currently does not offer any of the
free episodes of this series streaming at this time. It will be exclusive to the MTV channel, which you get by subscribing to cable or satellite TV services. You will not be able to watch it on Hulu
or any other free streaming service.

Is Dungeons & Dragons Honor Among Thieves Streaming Online?
Well, not right now. In terms of the streaming release, Dungeons & Dragons Honor Among Thieves will most likely follow the 45-day theatrical window before being available to stream online. Due to Amazon’s multi-billion dollar acquisition of MGM (the franchise’s production company), it’s most likely that Prime Video will be the main platform that will stream Dungeons & Dragons Honor Among Thieves VI.

How To Watch Dungeons & Dragons Honor Among Thieves Online:
2023 is here and you can once again stream all of the previous Dungeons & Dragons Honor Among Thieves movies on Paramount+. If you want to stream the latest film, however, you will
have to watch it in theaters. If you don’t happen to have that streaming service, however, you can still rent the films on Amazon or YouTube for a fairly low price. Dungeons & Dragons Honor
Among Thieves through 4 are also available to watch for free with commercials.

The easiest way to watch Dungeons & Dragons Honor Among Thieves is on Paramount Plus ($14.99/month with Paramount Plus subscriptions) or Amazon Prime ($9.99/month). The film is
available to all subscribers at no additional cost.

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If you’re looking for a streaming service that’ll act as a cable replacement, Sling ($40/month) and Hulu + Live TV ($69.99/month) are both great options that include TNT and TBS. These services also come with on-demand capabilities that’ll let you watch Dungeons & Dragons Honor Among Thieves.

You can also buy or rent Dungeons & Dragons Honor Among Thieves from Amazon, Vudu, and Apple TV. It costs $3.99 to rent (rentals are available for 30 days and 48 hours once you’ve
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You can use a streaming service such as Netflix, Hulu, or Amazon Prime Video. You can also rent or buy the movie on iTunes or Google Play. You can also watch it on-demand or on a streaming app available on your TV or streaming device if you have cable.

At some point in my youth I heard the old cliché that “beauty is in the eye of the beholder.” For me—and probably for a great many other dorks—this was a moment of great clarity. You see,
as a veteran of many noble campaigns in far-flung realms, I was already familiar with the concept of a Beholder—a giant, nefarious living eyeball (also known as an Eye Tyrant or Sphere
of Many Eyes) from the original Monster Manual, Gary Gygax’s hardbound collection of foes one might face in the world of (what was then called) Advanced Dungeons & Dragons. Lo! How
this fiendish creature dwelled in my nightmares, ready to pounce should I ever let down my guard! With great excitement, though, I proclaim that l’essence du Beholder is redolent in the thrilling and enjoyable Dungeons & Dragons: Honor Among Thieves. The entire picture exudes the wide-eyed (some might say immature) wonderment found around slobbering beasts and
magic spells. No, you absolutely do not need to know a thing about D&D to like this. But if you
have a familiarity with the Forgotten Realms, the 1980s D&D cartoon show, or if you’re just a Led Zeppelin fan, there’s something here for you. Otherwise, there’s too much going on to ever
feel left out.
submitted by seyhtyujuyg to Smilestreamshere [link] [comments]


2023.03.30 07:05 AutoModerator [Get] Tanner Planes – Digital Dropshipping Mastery

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2023.03.30 07:05 AutoModerator [Get] Tanner Planes – Digital Dropshipping Mastery

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2023.03.30 06:55 D3athCAP My Thoughts on The AKG K371: Really Disappointed

I went to a music store a couple days back and got myself the AKG K371. At the store they had it for demo and it does sounds pretty nice on their demo but I wasn't really doing any critical listening and it's probably had a very EQ-ed song, smart selling technique I guess. Anyway, I thought it'd be a great pairs to add to my collection to rotate around and as a cans for me to use to practice my bass guitar.
For reference I currently own 4 pairs of cans. DT 770 Pro 250 ohms, AKG K701, Sony 1000XM3, HyperX Cloud II, and Jabra Evolve 20 UC, my favorite.
Okay, let's get down to business. First of all it VERY boomy. Might be as boomy as the Sony 1000XM3 even. It's really bad, the bass is so muddy and you just hear nothing but BASS. At the music store, the demo unit, the treble was actually incredible, again it's probably EQ-ed. I tested it through my Focusrite Scarlett Solo, a Schiit Stack, and a phone. It gets nothing but overwhelming amount of bass. Not in a good way, not like the 770 Pro or even 1000XM3, hell, even the HyperX Cloud II deliver bass so much better. Although, the K371 have great frequency range, from 5HZ-40khz and I can certainly hear that wide range that it can offer. However, that does not translate to soundstage.
The soundstage is horrible. It's almost like IEMs. It is a closed-back with leather cups but my 3 other closed-back does better than it in this department, so there's no excuse. It manage to be the same level as the 1000XM3, maybe even worse can't say for sure, which if you just think about it you'd understand how bad that is. One is a noise canceling wireless 'fun headphones', and the other 'studio professional reference headphones'. Part of it is the boomy bass, it's so bad that it just muddy out everything making the soundstage feels very narrow, because it's just bass...
Now it does come with 3 cables and a cheap carry bag, for $170. If we talk value, the HyperX Cloud II blew it out of the water. For $99 or as low as $49 on sale, the clone of a clone of the 770 Pro is a budget audiophile grade phones disguised as a gaming headphones. Comes with 2 types of pads, detachable mic, a very high quality carry breathable bag, optional USB interface, very comfortable, and sounds amazing. The downside is its frequency range, it's very narrow and you can easily tell. The soundstage is okay, though, nothing fancy.
I'm not gonna bring up the 770 Pro because you can probably guess how it compares. To summarize it up, I am really disappointed in the K371. Having own the K701 and love it very much, I had hoped AKG can still offer.
On the ending note, I would like to bring up the good thing on the K371. I listen to all kinds of genre of music. The two genres that really stands out with the K371 are some old vintage 40s, 50s and 60s songs. Like 'It's Been a Long, Long Time' by Kitty Kallen, or 'Put Your Head On My Shoulder' by Paul Anka. Another one that I really enjoy on the K371 are the songs by Hokago Tea Time from K-On. Their songs can easily be described as the mid 2000s pop rock. The boomy bass of the K371 makes the songs sounds like it's coming out of a concert amp of that era. Very fun and interesting experience I must say.
submitted by D3athCAP to headphones [link] [comments]


2023.03.30 06:54 Cheap_Apricot1332 [question] Decisions

[question] Decisions
Hi I was wondering if there are any major difference between these gloves as they are all around the same price tag or if it’s just looks.
submitted by Cheap_Apricot1332 to fightgear [link] [comments]


2023.03.30 06:37 Choice-Bake7922 Add uranium to minecraft

Uranium is a chemical element with symbol U and atomic number 92. It is a silvery-grey metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium radioactively decays by emitting an alpha particle. The half-life of this decay varies between 159,200 and 4.5 billion years for different isotopes, making them useful for dating the age of the Earth. The most common isotopes in natural uranium are uranium-238 (which has 146 neutrons and accounts for over 99% of uranium on Earth) and uranium-235 (which has 143 neutrons). Uranium has the highest atomic weight of the primordially occurring elements. Its density is about 70% higher than that of lead, and slightly lower than that of gold or tungsten. It occurs naturally in low concentrations of a few parts per million in soil, rock and water, and is commercially extracted from uranium-bearing minerals such as uraninite.[6] Many contemporary uses of uranium exploit its unique nuclear properties. Uranium-235 is the only naturally occurring fissile isotope, which makes it widely used in nuclear power plants and nuclear weapons. However, because of the tiny concentrations found in nature, uranium needs to undergo enrichment so that enough uranium-235 is present. Uranium-238 is fissionable by fast neutrons, and is fertile, meaning it can be transmuted to fissile plutonium-239 in a nuclear reactor. Another fissile isotope, uranium-233, can be produced from natural thorium and is studied for future industrial use in nuclear technology. Uranium-238 has a small probability for spontaneous fission or even induced fission with fast neutrons; uranium-235, and to a lesser degree uranium-233, have a much higher fission cross-section for slow neutrons. In sufficient concentration, these isotopes maintain a sustained nuclear chain reaction. This generates the heat in nuclear power reactors, and produces the fissile material for nuclear weapons. Depleted uranium (238U) is used in kinetic energy penetrators and armor plating.[7][8]
The 1789 discovery of uranium in the mineral pitchblende is credited to Martin Heinrich Klaproth, who named the new element after the recently discovered planet Uranus. Eugène-Melchior Péligot was the first person to isolate the metal and its radioactive properties were discovered in 1896 by Henri Becquerel. Research by Otto Hahn, Lise Meitner, Enrico Fermi and others, such as J. Robert Oppenheimer starting in 1934 led to its use as a fuel in the nuclear power industry and in Little Boy, the first nuclear weapon used in war. An ensuing arms race during the Cold War between the United States and the Soviet Union produced tens of thousands of nuclear weapons that used uranium metal and uranium-derived plutonium-239. Dismantling of these weapons and related nuclear facilities is carried out within various nuclear disarmament programs and costs billions of dollars. Weapon-grade uranium obtained from nuclear weapons is diluted with uranium-238 and reused as fuel for nuclear reactors. The development and deployment of these nuclear reactors continue on a global base as they are powerful sources of CO2-free energy. Spent nuclear fuel forms radioactive waste, which mostly consists of uranium-238 and poses significant health threat and environmental impact. Uranium is a silvery white, weakly radioactive metal. It has a Mohs hardness of 6, sufficient to scratch glass and approximately equal to that of titanium, rhodium, manganese and niobium. It is malleable, ductile, slightly paramagnetic, strongly electropositive and a poor electrical conductor.[9][10] Uranium metal has a very high density of 19.1 g/cm3,[11] denser than lead (11.3 g/cm3),[12] but slightly less dense than tungsten and gold (19.3 g/cm3).[13][14]
Uranium metal reacts with almost all non-metal elements (with the exception of the noble gases) and their compounds, with reactivity increasing with temperature.[15] Hydrochloric and nitric acids dissolve uranium, but non-oxidizing acids other than hydrochloric acid attack the element very slowly.[9] When finely divided, it can react with cold water; in air, uranium metal becomes coated with a dark layer of uranium oxide.[10] Uranium in ores is extracted chemically and converted into uranium dioxide or other chemical forms usable in industry.
Uranium-235 was the first isotope that was found to be fissile. Other naturally occurring isotopes are fissionable, but not fissile. On bombardment with slow neutrons, its uranium-235 isotope will most of the time divide into two smaller nuclei, releasing nuclear binding energy and more neutrons. If too many of these neutrons are absorbed by other uranium-235 nuclei, a nuclear chain reaction occurs that results in a burst of heat or (in special circumstances) an explosion. In a nuclear reactor, such a chain reaction is slowed and controlled by a neutron poison, absorbing some of the free neutrons. Such neutron absorbent materials are often part of reactor control rods (see nuclear reactor physics for a description of this process of reactor control).
As little as 15 lb (6.8 kg) of uranium-235 can be used to make an atomic bomb.[16] The nuclear weapon detonated over Hiroshima, called Little Boy, relied on uranium fission. However, the first nuclear bomb (the Gadget used at Trinity) and the bomb that was detonated over Nagasaki (Fat Man) were both plutonium bombs.
Uranium metal has three allotropic forms:[17]
α (orthorhombic) stable up to 668 °C (1,234 °F). Orthorhombic, space group No. 63, Cmcm, lattice parameters a = 285.4 pm, b = 587 pm, c = 495.5 pm.[18] β (tetragonal) stable from 668 to 775 °C (1,234 to 1,427 °F). Tetragonal, space group P42/mnm, P42nm, or P4n2, lattice parameters a = 565.6 pm, b = c = 1075.9 pm.[18] γ (body-centered cubic) from 775 °C (1,427 °F) to melting point—this is the most malleable and ductile state. Body-centered cubic, lattice parameter a = 352.4 pm.[18]
The major application of uranium in the military sector is in high-density penetrators. This ammunition consists of depleted uranium (DU) alloyed with 1–2% other elements, such as titanium or molybdenum.[19] At high impact speed, the density, hardness, and pyrophoricity of the projectile enable the destruction of heavily armored targets. Tank armor and other removable vehicle armor can also be hardened with depleted uranium plates. The use of depleted uranium became politically and environmentally contentious after the use of such munitions by the US, UK and other countries during wars in the Persian Gulf and the Balkans raised questions concerning uranium compounds left in the soil[8][20][21][22] (see Gulf War syndrome).[16]
Depleted uranium is also used as a shielding material in some containers used to store and transport radioactive materials. While the metal itself is radioactive, its high density makes it more effective than lead in halting radiation from strong sources such as radium.[9] Other uses of depleted uranium include counterweights for aircraft control surfaces, as ballast for missile re-entry vehicles and as a shielding material.[10] Due to its high density, this material is found in inertial guidance systems and in gyroscopic compasses.[10] Depleted uranium is preferred over similarly dense metals due to its ability to be easily machined and cast as well as its relatively low cost.[23] The main risk of exposure to depleted uranium is chemical poisoning by uranium oxide rather than radioactivity (uranium being only a weak alpha emitter).
During the later stages of World War II, the entire Cold War, and to a lesser extent afterwards, uranium-235 has been used as the fissile explosive material to produce nuclear weapons. Initially, two major types of fission bombs were built: a relatively simple device that uses uranium-235 and a more complicated mechanism that uses plutonium-239 derived from uranium-238. Later, a much more complicated and far more powerful type of fission/fusion bomb (thermonuclear weapon) was built, that uses a plutonium-based device to cause a mixture of tritium and deuterium to undergo nuclear fusion. Such bombs are jacketed in a non-fissile (unenriched) uranium case, and they derive more than half their power from the fission of this material by fast neutrons from the nuclear fusion process.[24]
The main use of uranium in the civilian sector is to fuel nuclear power plants. One kilogram of uranium-235 can theoretically produce about 20 terajoules of energy (2×1013 joules), assuming complete fission; as much energy as 1.5 million kilograms (1,500 tonnes) of coal.[7]
Commercial nuclear power plants use fuel that is typically enriched to around 3% uranium-235.[7] The CANDU and Magnox designs are the only commercial reactors capable of using unenriched uranium fuel. Fuel used for United States Navy reactors is typically highly enriched in uranium-235 (the exact values are classified). In a breeder reactor, uranium-238 can also be converted into plutonium through the following reaction:[10]
Before (and, occasionally, after) the discovery of radioactivity, uranium was primarily used in small amounts for yellow glass and pottery glazes, such as uranium glass and in Fiestaware.[25]
The discovery and isolation of radium in uranium ore (pitchblende) by Marie Curie sparked the development of uranium mining to extract the radium, which was used to make glow-in-the-dark paints for clock and aircraft dials.[26][27] This left a prodigious quantity of uranium as a waste product, since it takes three tonnes of uranium to extract one gram of radium. This waste product was diverted to the glazing industry, making uranium glazes very inexpensive and abundant. Besides the pottery glazes, uranium tile glazes accounted for the bulk of the use, including common bathroom and kitchen tiles which can be produced in green, yellow, mauve, black, blue, red and other colors.
Uranium was also used in photographic chemicals (especially uranium nitrate as a toner),[10] in lamp filaments for stage lighting bulbs,[28] to improve the appearance of dentures,[29] and in the leather and wood industries for stains and dyes. Uranium salts are mordants of silk or wool. Uranyl acetate and uranyl formate are used as electron-dense "stains" in transmission electron microscopy, to increase the contrast of biological specimens in ultrathin sections and in negative staining of viruses, isolated cell organelles and macromolecules.
The discovery of the radioactivity of uranium ushered in additional scientific and practical uses of the element. The long half-life of the isotope uranium-238 (4.47×109 years) makes it well-suited for use in estimating the age of the earliest igneous rocks and for other types of radiometric dating, including uranium–thorium dating, uranium–lead dating and uranium–uranium dating. Uranium metal is used for X-ray targets in the making of high-energy X-rays.[10]
The use of uranium in its natural oxide form dates back to at least the year 79 CE, when it was used in the Roman Empire to add a yellow color to ceramic glazes.[10] Yellow glass with 1% uranium oxide was found in a Roman villa on Cape Posillipo in the Bay of Naples, Italy, by R. T. Gunther of the University of Oxford in 1912.[30] Starting in the late Middle Ages, pitchblende was extracted from the Habsburg silver mines in Joachimsthal, Bohemia (now Jáchymov in the Czech Republic), and was used as a coloring agent in the local glassmaking industry.[31] In the early 19th century, the world's only known sources of uranium ore were these mines. Mining for uranium in the Ore Mountains ceased on the German side after the Cold War ended and SDAG Wismut was wound down. On the Czech side there were attempts during the uranium price bubble of 2007 to restart mining, but those were quickly abandoned following a fall in uranium prices.[32][33]
The discovery of the element is credited to the German chemist Martin Heinrich Klaproth. While he was working in his experimental laboratory in Berlin in 1789, Klaproth was able to precipitate a yellow compound (likely sodium diuranate) by dissolving pitchblende in nitric acid and neutralizing the solution with sodium hydroxide.[31] Klaproth assumed the yellow substance was the oxide of a yet-undiscovered element and heated it with charcoal to obtain a black powder, which he thought was the newly discovered metal itself (in fact, that powder was an oxide of uranium).[31][34] He named the newly discovered element after the planet Uranus (named after the primordial Greek god of the sky), which had been discovered eight years earlier by William Herschel.[35]
In 1841, Eugène-Melchior Péligot, Professor of Analytical Chemistry at the Conservatoire National des Arts et Métiers (Central School of Arts and Manufactures) in Paris, isolated the first sample of uranium metal by heating uranium tetrachloride with potassium.[31][36]
Henri Becquerel discovered radioactivity by using uranium in 1896.[15] Becquerel made the discovery in Paris by leaving a sample of a uranium salt, K2UO2(SO4)2 (potassium uranyl sulfate), on top of an unexposed photographic plate in a drawer and noting that the plate had become "fogged".[37] He determined that a form of invisible light or rays emitted by uranium had exposed the plate.
During World War I when the Central Powers suffered a shortage of molybdenum to make artillery gun barrels and high speed tool steels they routinely substituted ferrouranium alloys which present many of the same physical characteristics. When this practice became known in 1916 the USA government requested several prominent universities to research these uses for uranium and tools made with these formulas remained in use for several decades only ending when the Manhattan Project and the Cold War placed a large demand on uranium for fission research and weapon development.[38][39][40]
A team led by Enrico Fermi in 1934 observed that bombarding uranium with neutrons produces the emission of beta rays (electrons or positrons from the elements produced; see beta particle).[41] The fission products were at first mistaken for new elements with atomic numbers 93 and 94, which the Dean of the Faculty of Rome, Orso Mario Corbino, christened ausonium and hesperium, respectively.[42][43][44][45] The experiments leading to the discovery of uranium's ability to fission (break apart) into lighter elements and release binding energy were conducted by Otto Hahn and Fritz Strassmann[41] in Hahn's laboratory in Berlin. Lise Meitner and her nephew, the physicist Otto Robert Frisch, published the physical explanation in February 1939 and named the process "nuclear fission".[46] Soon after, Fermi hypothesized that the fission of uranium might release enough neutrons to sustain a fission reaction. Confirmation of this hypothesis came in 1939, and later work found that on average about 2.5 neutrons are released by each fission of the rare uranium isotope uranium-235.[41] Fermi urged Alfred O. C. Nier to separate uranium isotopes for determination of the fissile component, and on 29 February 1940, Nier used an instrument he built at the University of Minnesota to separate the world's first uranium-235 sample in the Tate Laboratory. After mailed to Columbia University's cyclotron, John Dunning confirmed the sample to be the isolated fissile material on 1 March.[47] Further work found that the far more common uranium-238 isotope can be transmuted into plutonium, which, like uranium-235, is also fissile by thermal neutrons. These discoveries led numerous countries to begin working on the development of nuclear weapons and nuclear power. Despite fission having been discovered in Germany, the Uranverein ("uranium club") Germany's wartime project to research nuclear power and/or weapons was hampered by limited resources, infighting, the exile or non-involvement of several prominent scientists in the field and several crucial mistakes such as failing to account for impurities in available graphite samples which made it appear less suitable as a neutron moderator than it is in reality. Germany's attempts to build a natural uranium / heavy water reactor had not come close to reaching criticality by the time the Americans reached Haigerloch, the site of the last German wartime reactor experiment.[48]
On 2 December 1942, as part of the Manhattan Project, another team led by Enrico Fermi was able to initiate the first artificial self-sustained nuclear chain reaction, Chicago Pile-1. An initial plan using enriched uranium-235 was abandoned as it was as yet unavailable in sufficient quantities.[49] Working in a lab below the stands of Stagg Field at the University of Chicago, the team created the conditions needed for such a reaction by piling together 360 tonnes of graphite, 53 tonnes of uranium oxide, and 5.5 tonnes of uranium metal, a majority of which was supplied by Westinghouse Lamp Plant in a makeshift production process.[41][50]
Two major types of atomic bombs were developed by the United States during World War II: a uranium-based device (codenamed "Little Boy") whose fissile material was highly enriched uranium, and a plutonium-based device (see Trinity test and "Fat Man") whose plutonium was derived from uranium-238. The uranium-based Little Boy device became the first nuclear weapon used in war when it was detonated over the Japanese city of Hiroshima on 6 August 1945. Exploding with a yield equivalent to 12,500 tonnes of trinitrotoluene, the blast and thermal wave of the bomb destroyed nearly 50,000 buildings and killed approximately 75,000 people (see Atomic bombings of Hiroshima and Nagasaki).[37] Initially it was believed that uranium was relatively rare, and that nuclear proliferation could be avoided by simply buying up all known uranium stocks, but within a decade large deposits of it were discovered in many places around the world.[51][52]
The X-10 Graphite Reactor at Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee, formerly known as the Clinton Pile and X-10 Pile, was the world's second artificial nuclear reactor (after Enrico Fermi's Chicago Pile) and was the first reactor designed and built for continuous operation. Argonne National Laboratory's Experimental Breeder Reactor I, located at the Atomic Energy Commission's National Reactor Testing Station near Arco, Idaho, became the first nuclear reactor to create electricity on 20 December 1951.[53] Initially, four 150-watt light bulbs were lit by the reactor, but improvements eventually enabled it to power the whole facility (later, the town of Arco became the first in the world to have all its electricity come from nuclear power generated by BORAX-III, another reactor designed and operated by Argonne National Laboratory).[54][55] The world's first commercial scale nuclear power station, Obninsk in the Soviet Union, began generation with its reactor AM-1 on 27 June 1954. Other early nuclear power plants were Calder Hall in England, which began generation on 17 October 1956,[56] and the Shippingport Atomic Power Station in Pennsylvania, which began on 26 May 1958. Nuclear power was used for the first time for propulsion by a submarine, the USS Nautilus, in 1954.[41][57]
Prehistoric naturally occurring fission Main article: Natural nuclear fission reactor In 1972, the French physicist Francis Perrin discovered fifteen ancient and no longer active natural nuclear fission reactors in three separate ore deposits at the Oklo mine in Gabon, West Africa, collectively known as the Oklo Fossil Reactors. The ore deposit is 1.7 billion years old; then, uranium-235 constituted about 3% of the total uranium on Earth.[58] This is high enough to permit a sustained nuclear fission chain reaction to occur, provided other supporting conditions exist. The capacity of the surrounding sediment to contain the health-threatening nuclear waste products has been cited by the U.S. federal government as supporting evidence for the feasibility to store spent nuclear fuel at the Yucca Mountain nuclear waste repository.[58]
Above-ground nuclear tests by the Soviet Union and the United States in the 1950s and early 1960s and by France into the 1970s and 1980s[23] spread a significant amount of fallout from uranium daughter isotopes around the world.[59] Additional fallout and pollution occurred from several nuclear accidents.[60]
Uranium miners have a higher incidence of cancer. An excess risk of lung cancer among Navajo uranium miners, for example, has been documented and linked to their occupation.[61] The Radiation Exposure Compensation Act, a 1990 law in the US, required $100,000 in "compassion payments" to uranium miners diagnosed with cancer or other respiratory ailments.[62]
During the Cold War between the Soviet Union and the United States, huge stockpiles of uranium were amassed and tens of thousands of nuclear weapons were created using enriched uranium and plutonium made from uranium. After the break-up of the Soviet Union in 1991, an estimated 600 short tons (540 metric tons) of highly enriched weapons grade uranium (enough to make 40,000 nuclear warheads) had been stored in often inadequately guarded facilities in the Russian Federation and several other former Soviet states.[16] Police in Asia, Europe, and South America on at least 16 occasions from 1993 to 2005 have intercepted shipments of smuggled bomb-grade uranium or plutonium, most of which was from ex-Soviet sources.[16] From 1993 to 2005 the Material Protection, Control, and Accounting Program, operated by the federal government of the United States, spent approximately US $550 million to help safeguard uranium and plutonium stockpiles in Russia. This money was used for improvements and security enhancements at research and storage facilities.[16]
Safety of nuclear facilities in Russia has been significantly improved since the stabilization of political and economical turmoil of the early 1990s. For example, in 1993 there were 29 incidents ranking above level 1 on the International Nuclear Event Scale, and this number dropped under four per year in 1995–2003. The number of employers receiving annual radiation doses above 20 mSv, which is equivalent to a single full-body CT scan,[63] saw a strong decline around 2000. In November 2015, the Russian government approved a federal program for nuclear and radiation safety for 2016 to 2030 with a budget of 562 billion rubles (ca. 8 billion dollars). Its key issue is "the deferred liabilities accumulated during the 70 years of the nuclear industry, particularly during the time of the Soviet Union". Approximately 73% of the budget will be spent on decommissioning aged and obsolete nuclear reactors and nuclear facilities, especially those involved in state defense programs; 20% will go in processing and disposal of nuclear fuel and radioactive waste, and 5% into monitoring and ensuring of nuclear and radiation safety.[64]
Along with all elements having atomic weights higher than that of iron, uranium is only naturally formed by the r-process (rapid neutron capture) in supernovae and neutron star mergers.[65] Primordial thorium and uranium are only produced in the r-process, because the s-process (slow neutron capture) is too slow and cannot pass the gap of instability after bismuth.[66][67] Besides the two extant primordial uranium isotopes, 235U and 238U, the r-process also produced significant quantities of 236U, which has a shorter half-life and so is an extinct radionuclide, having long since decayed completely to 232Th. Uranium-236 was itself enriched by the decay of 244Pu, accounting for the observed higher-than-expected abundance of thorium and lower-than-expected abundance of uranium.[68] While the natural abundance of uranium has been supplemented by the decay of extinct 242Pu (half-life 0.375 million years) and 247Cm (half-life 16 million years), producing 238U and 235U respectively, this occurred to an almost negligible extent due to the shorter half-lives of these parents and their lower production than 236U and 244Pu, the parents of thorium: the 247Cm:235U ratio at the formation of the Solar System was (7.0±1.6)×10−5.[69]
Uranium is a naturally occurring element that can be found in low levels within all rock, soil, and water. Uranium is the 51st element in order of abundance in the Earth's crust. Uranium is also the highest-numbered element to be found naturally in significant quantities on Earth and is almost always found combined with other elements.[10] The decay of uranium, thorium, and potassium-40 in the Earth's mantle is thought to be the main source of heat[70][71] that keeps the Earth's outer core in the liquid state and drives mantle convection, which in turn drives plate tectonics.
Uranium's average concentration in the Earth's crust is (depending on the reference) 2 to 4 parts per million,[9][23] or about 40 times as abundant as silver.[15] The Earth's crust from the surface to 25 km (15 mi) down is calculated to contain 1017 kg (2×1017 lb) of uranium while the oceans may contain 1013 kg (2×1013 lb).[9] The concentration of uranium in soil ranges from 0.7 to 11 parts per million (up to 15 parts per million in farmland soil due to use of phosphate fertilizers),[72] and its concentration in sea water is 3 parts per billion.[23]
Uranium is more plentiful than antimony, tin, cadmium, mercury, or silver, and it is about as abundant as arsenic or molybdenum.[10][23] Uranium is found in hundreds of minerals, including uraninite (the most common uranium ore), carnotite, autunite, uranophane, torbernite, and coffinite.[10] Significant concentrations of uranium occur in some substances such as phosphate rock deposits, and minerals such as lignite, and monazite sands in uranium-rich ores[10] (it is recovered commercially from sources with as little as 0.1% uranium[15]).
Some bacteria, such as Shewanella putrefaciens, Geobacter metallireducens and some strains of Burkholderia fungorum, use uranium for their growth and convert U(VI) to U(IV).[73][74] Recent research suggests that this pathway includes reduction of the soluble U(VI) via an intermediate U(V) pentavalent state.[75][76] Other organisms, such as the lichen Trapelia involuta or microorganisms such as the bacterium Citrobacter, can absorb concentrations of uranium that are up to 300 times the level of their environment.[77] Citrobacter species absorb uranyl ions when given glycerol phosphate (or other similar organic phosphates). After one day, one gram of bacteria can encrust themselves with nine grams of uranyl phosphate crystals; this creates the possibility that these organisms could be used in bioremediation to decontaminate uranium-polluted water.[31][78] The proteobacterium Geobacter has also been shown to bioremediate uranium in ground water.[79] The mycorrhizal fungus Glomus intraradices increases uranium content in the roots of its symbiotic plant.[80]
In nature, uranium(VI) forms highly soluble carbonate complexes at alkaline pH. This leads to an increase in mobility and availability of uranium to groundwater and soil from nuclear wastes which leads to health hazards. However, it is difficult to precipitate uranium as phosphate in the presence of excess carbonate at alkaline pH. A Sphingomonas sp. strain BSAR-1 has been found to express a high activity alkaline phosphatase (PhoK) that has been applied for bioprecipitation of uranium as uranyl phosphate species from alkaline solutions. The precipitation ability was enhanced by overexpressing PhoK protein in E. coli.[81]
Plants absorb some uranium from soil. Dry weight concentrations of uranium in plants range from 5 to 60 parts per billion, and ash from burnt wood can have concentrations up to 4 parts per million.[31] Dry weight concentrations of uranium in food plants are typically lower with one to two micrograms per day ingested through the food people eat.[31]
Production and mining Main article: Uranium mining Worldwide production of uranium in 2021 amounted to 48,332 tonnes, of which 21,819 t (45%) was mined in Kazakhstan. Other important urmom mining countries are Namibia (5,753 t), Canada (4,693 t), Australia (4,192 t), Uzbekistan (3,500 t), and Russia (2,635 t).[82]
Uranium ore is mined in several ways: by open pit, underground, in-situ leaching, and borehole mining (see uranium mining).[7] Low-grade uranium ore mined typically contains 0.01 to 0.25% uranium oxides. Extensive measures must be employed to extract the metal from its ore.[83] High-grade ores found in Athabasca Basin deposits in Saskatchewan, Canada can contain up to 23% uranium oxides on average.[84] Uranium ore is crushed and rendered into a fine powder and then leached with either an acid or alkali. The leachate is subjected to one of several sequences of precipitation, solvent extraction, and ion exchange. The resulting mixture, called yellowcake, contains at least 75% uranium oxides U3O8. Yellowcake is then calcined to remove impurities from the milling process before refining and conversion.[85]
Commercial-grade uranium can be produced through the reduction of uranium halides with alkali or alkaline earth metals.[10] Uranium metal can also be prepared through electrolysis of KUF 5 or UF 4, dissolved in molten calcium chloride (CaCl 2) and sodium chloride (NaCl) solution.[10] Very pure uranium is produced through the thermal decomposition of uranium halides on a hot filament.[10]
It is estimated that 6.1 million tonnes of uranium exists in ore reserves that are economically viable at US$130 per kg of uranium,[87] while 35 million tonnes are classed as mineral resources (reasonable prospects for eventual economic extraction).[88]
Australia has 28% of the world's known uranium ore reserves[87] and the world's largest single uranium deposit is located at the Olympic Dam Mine in South Australia.[89] There is a significant reserve of uranium in Bakouma, a sub-prefecture in the prefecture of Mbomou in the Central African Republic.[90]
Some uranium also originates from dismantled nuclear weapons.[91] For example, in 1993–2013 Russia supplied the United States with 15,000 tonnes of low-enriched uranium within the Megatons to Megawatts Program.[92]
An additional 4.6 billion tonnes of uranium are estimated to be dissolved in sea water (Japanese scientists in the 1980s showed that extraction of uranium from sea water using ion exchangers was technically feasible).[93][94] There have been experiments to extract uranium from sea water,[95] but the yield has been low due to the carbonate present in the water. In 2012, ORNL researchers announced the successful development of a new absorbent material dubbed HiCap which performs surface retention of solid or gas molecules, atoms or ions and also effectively removes toxic metals from water, according to results verified by researchers at Pacific Northwest National Laboratory.[96][97]
In 2005, ten countries accounted for the majority of the world's concentrated uranium oxides: Canada (27.9%), Australia (22.8%), Kazakhstan (10.5%), Russia (8.0%), Namibia (7.5%), Niger (7.4%), Uzbekistan (5.5%), the United States (2.5%), Argentina (2.1%) and Ukraine (1.9%).[99] In 2008 Kazakhstan was forecast to increase production and become the world's largest supplier of uranium by 2009.[100][101] The prediction came true, and Kazakhstan does dominate the world's uranium market since 2010. In 2021, its share was 45.1%, followed by Namibia (11.9%), Canada (9.7%), Australia (8.7%), Uzbekistan (7.2%), Niger (4.7%), Russia (5.5%), China (3.9%), India (1.3%), Ukraine (0.9%), and South Africa (0.8%), with a world total production of 48,332 tonnes.[82] Most of uranium was produced not by conventional underground mining of ores (29% of production), but by in situ leaching (66%).[82][102]
In the late 1960s, UN geologists also discovered major uranium deposits and other rare mineral reserves in Somalia. The find was the largest of its kind, with industry experts estimating the deposits at over 25% of the world's then known uranium reserves of 800,000 tons.[103]
The ultimate available supply is believed to be sufficient for at least the next 85 years,[88] although some studies indicate underinvestment in the late twentieth century may produce supply problems in the 21st century.[104] Uranium deposits seem to be log-normal distributed. There is a 300-fold increase in the amount of uranium recoverable for each tenfold decrease in ore grade.[105] In other words, there is little high grade ore and proportionately much more low grade ore available.
Calcined uranium yellowcake, as produced in many large mills, contains a distribution of uranium oxidation species in various forms ranging from most oxidized to least oxidized. Particles with short residence times in a calciner will generally be less oxidized than those with long retention times or particles recovered in the stack scrubber. Uranium content is usually referenced to U 3O 8, which dates to the days of the Manhattan Project when U 3O 8 was used as an analytical chemistry reporting standard.[106]
Phase relationships in the uranium-oxygen system are complex. The most important oxidation states of uranium are uranium(IV) and uranium(VI), and their two corresponding oxides are, respectively, uranium dioxide (UO 2) and uranium trioxide (UO 3).[107] Other uranium oxides such as uranium monoxide (UO), diuranium pentoxide (U 2O 5), and uranium peroxide (UO 4·2H 2O) also exist.
The most common forms of uranium oxide are triuranium octoxide (U 3O 8) and UO 2.[108] Both oxide forms are solids that have low solubility in water and are relatively stable over a wide range of environmental conditions. Triuranium octoxide is (depending on conditions) the most stable compound of uranium and is the form most commonly found in nature. Uranium dioxide is the form in which uranium is most commonly used as a nuclear reactor fuel.[108] At ambient temperatures, UO 2 will gradually convert to U 3O 8. Because of their stability, uranium oxides are generally considered the preferred chemical form for storage or disposal.[108]
Salts of many oxidation states of uranium are water-soluble and may be studied in aqueous solutions. The most common ionic forms are U3+ (brown-red), U4+ (green), UO+ 2 (unstable), and UO2+ 2 (yellow), for U(III), U(IV), U(V), and U(VI), respectively.[109] A few solid and semi-metallic compounds such as UO and US exist for the formal oxidation state uranium(II), but no simple ions are known to exist in solution for that state. Ions of U3+ liberate hydrogen from water and are therefore considered to be highly unstable. The UO2+ 2 ion represents the uranium(VI) state and is known to form compounds such as uranyl carbonate, uranyl chloride and uranyl sulfate. UO2+ 2 also forms complexes with various organic chelating agents, the most commonly encountered of which is uranyl acetate.[109]
Unlike the uranyl salts of uranium and polyatomic ion uranium-oxide cationic forms, the uranates, salts containing a polyatomic uranium-oxide anion, are generally not water-soluble.
Carbonates The interactions of carbonate anions with uranium(VI) cause the Pourbaix diagram to change greatly when the medium is changed from water to a carbonate containing solution. While the vast majority of carbonates are insoluble in water (students are often taught that all carbonates other than those of alkali metals are insoluble in water), uranium carbonates are often soluble in water. This is because a U(VI) cation is able to bind two terminal oxides and three or more carbonates to form anionic complexes.
Effects of pH The uranium fraction diagrams in the presence of carbonate illustrate this further: when the pH of a uranium(VI) solution increases, the uranium is converted to a hydrated uranium oxide hydroxide and at high pHs it becomes an anionic hydroxide complex.
When carbonate is added, uranium is converted to a series of carbonate complexes if the pH is increased. One effect of these reactions is increased solubility of uranium in the pH range 6 to 8, a fact that has a direct bearing on the long term stability of spent uranium dioxide nuclear fuels.
Hydrides, carbides and nitrides Uranium metal heated to 250 to 300 °C (482 to 572 °F) reacts with hydrogen to form uranium hydride. Even higher temperatures will reversibly remove the hydrogen. This property makes uranium hydrides convenient starting materials to create reactive uranium powder along with various uranium carbide, nitride, and halide compounds.[111] Two crystal modifications of uranium hydride exist: an α form that is obtained at low temperatures and a β form that is created when the formation temperature is above 250 °C.[111]
Uranium carbides and uranium nitrides are both relatively inert semimetallic compounds that are minimally soluble in acids, react with water, and can ignite in air to form U 3O 8.[111] Carbides of uranium include uranium monocarbide (UC), uranium dicarbide (UC 2), and diuranium tricarbide (U 2C 3). Both UC and UC 2 are formed by adding carbon to molten uranium or by exposing the metal to carbon monoxide at high temperatures. Stable below 1800 °C, U 2C 3 is prepared by subjecting a heated mixture of UC and UC 2 to mechanical stress.[112] Uranium nitrides obtained by direct exposure of the metal to nitrogen include uranium mononitride (UN), uranium dinitride (UN 2), and diuranium trinitride (U 2N 3).[112]
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2023.03.30 06:34 Extreme_Reindeer_932 Hayden Williams Cameron is on Amazon for $50!!!

Hayden Williams Cameron is on Amazon for $50!!! submitted by Extreme_Reindeer_932 to u/Extreme_Reindeer_932 [link] [comments]


2023.03.30 06:23 AutoModerator [Get] Tanner Planes – Digital Dropshipping Mastery

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2023.03.30 06:22 Inside_Heat138 can I return non perishable food to walmart?

Yeah I just want to know if I can return something. I bought some canned foods, because they were 2 cents cheaper than another store, but upon cooking it... It tasted significantly worse than the other stores products. I've never returned food before, so that's why I'm asking. Oh and because of the covid scare, that's why I'm also asking
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2023.03.30 06:21 TerryDaShooterUK I always wanted to buy this, it was always more expensive on digital (still is.) Thank you GameStop. Seriously.

I always wanted to buy this, it was always more expensive on digital (still is.) Thank you GameStop. Seriously. submitted by TerryDaShooterUK to Superstonk [link] [comments]


2023.03.30 06:17 Nick26gamer Ruger ar 556 MPR or Century Arms WASR-10?

Any suggestions would be helpful!
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2023.03.30 06:05 AutoModerator [Get] Tanner Planes – Digital Dropshipping Mastery

Get the course here: https://www.genkicourses.com/product/tanner-planes-digital-dropshipping-mastery/ [Get] Tanner Planes – Digital Dropshipping Mastery📷 With this program, I will walk you through the entire process of building a high level Digital Dropshipping brand, but simplified. You will learn REAL STRATEGIES, get REAL TOOLS, and see how the REAL BRANDS are making money with this under-tapped model. All the way from finding banger products, to making the store, to marketing it, to automating the systems, I got your back! Advantages of Digital Dropshipping
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2023.03.30 06:05 AutoModerator [Get] Tanner Planes – Digital Dropshipping Mastery

[Get] Tanner Planes – Digital Dropshipping Mastery
Get the course here: https://www.genkicourses.com/product/tanner-planes-digital-dropshipping-mastery/
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📷 With this program, I will walk you through the entire process of building a high level Digital Dropshipping brand, but simplified. You will learn REAL STRATEGIES, get REAL TOOLS, and see how the REAL BRANDS are making money with this under-tapped model. All the way from finding banger products, to making the store, to marketing it, to automating the systems, I got your back! Advantages of Digital Dropshipping
  • Instant Delivery: Customers receive products immediately
  • Infinite Offers: Craft any digital product however you want
  • Happy Customers: Instant value gratification with easy support
  • 99% Profit Margins: Sell online with no product costs
  • Traffic Hacks: Get free traffic through organic outreach
  • Sell Globally: Deliver your products to anyone, anywhere
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2023.03.30 05:36 Top_Celebration8663 Almost ordered this until I saw the name on it!

Almost ordered this until I saw the name on it! submitted by Top_Celebration8663 to AmazonVine [link] [comments]


2023.03.30 05:36 teknophyle weird requests

had one of those orders to stop at two stores for 1 customer. He calls me and asks me to stop at a 3rd store for something that's not on the order "to make extra cash". felt like an odd request so I declined and unassigned his orders 😆. partly because I didn't want to pay out of pocket. Maybe I should have said "I'll start a timer after store #2 and charge 60 cents a minute plus a few bux for gas." would y'all have done it?
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2023.03.30 05:31 Exotic-Current2651 What’s your favourite classroom management hack?

I read on here the idea of putting numbers on the board ‘ to get feedback and help’ . I also associate this with a merit, which add up at my school. This has worked so well. I help about 14 kids in an hour and pull students out randomly as well. The other trick I have is ‘stand up and meditate ‘ if my students do not have their paper novel for reading 10 minutes at the beginning of English. I now have 99 per cent compliance. At the end I get themselves to pat themselves if 1. They brought a book 2. Read more than 3 pages. 3. Visualised a plan of themselves obtaining a book during meditation. No hate please. All classes are different.
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