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2. Frisch–Peierls memorandum - Wikipedia

   en.wikipedia.org/wiki/Frisch–Peierls_memorandum

   [39] Using modern values he found that to be "equal to about a microsecond, which makes the point about the rapidity of fission with fact [sic] neutrons". [39] In the original memorandum, if the neutrons had velocities of 10 9 cm/s, then they would have an average time between fission collisions of 2.6 × 10 −9 s. Therefore, Bernstein's time ...

3. Bristol blue glass - Wikipedia

   en.wikipedia.org/wiki/Bristol_blue_glass

   It is uncertain when Bristol blue glass was first made but the quality and beauty of the glass swiftly gained popularity, with seventeen glass houses being set up in the city. [3] Lazarus and Isaac Jacobs were the most famous makers of Bristol blue glass in the 1780s. Lazarus Jacobs was a Jewish immigrant to Bristol from Frankfurt am Main, Germany.

4. Glass bottle - Wikipedia

   en.wikipedia.org/wiki/Glass_bottle

   Glass bottles and glass jars are found in many households worldwide. The first glass bottles were produced in Mesopotamia around 1500 B.C., and in the Roman Empire in around 1 AD. [ 1 ] America's glass bottle and glass jar industry was born in the early 1600s, when settlers in Jamestown built the first glass-melting furnace.

5. Dollar (reactivity) - Wikipedia

   en.wikipedia.org/wiki/Dollar_(reactivity)

   A dollar is a unit of reactivity for a nuclear reactor, calibrated to the interval between the conditions of criticality and prompt criticality.Prompt criticality will result in an extremely rapid power rise, with the resultant destruction of the reactor, unless it is specifically designed to tolerate the condition.

6. Corium (nuclear reactor) - Wikipedia

   en.wikipedia.org/wiki/Corium_(nuclear_reactor)

   Black ceramics, a glass-like coal-black material with a surface pitted with many cavities and pores. Usually located near the places where corium formed. Its two versions contain about 4–5 wt.% and about 7–8 wt.% of uranium. Brown ceramics, a glass-like brown material usually glossy but also dull. Usually located on a layer of a solidified ...

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8. Reagent bottle - Wikipedia

   en.wikipedia.org/wiki/Reagent_bottle

   A dark glass bottle with ground glass plug. Reagent bottles, also known as media bottles or graduated bottles, are containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers. They are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves ...

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