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  2. Gilbert U-238 Atomic Energy Laboratory - Wikipedia

    en.wikipedia.org/wiki/Gilbert_U-238_Atomic...

    Gilbert cloud chamber, assembled An alternative view of kit contents. The lab contained a cloud chamber allowing the viewer to watch alpha particles traveling at 12,000 miles per second (19,000,000 m/s), a spinthariscope showing the results of radioactive disintegration on a fluorescent screen, and an electroscope measuring the radioactivity of different substances in the set.

  3. Conservation and restoration of ivory objects - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    This ivory will be occasionally marked synthetic while "French Ivory" or "India Ivory" are common marks. It can be distinguished from natural ivory due to its lighter weight and more even coloring. [5] Cellulose nitrate can be identified with a chemical spot test using diphenylamine. This ivory can degrade and produce acidic and oxidizing nitrogen.

  4. Ivory - Wikipedia

    en.wikipedia.org/wiki/Ivory

    Ivory is a main product that is seen in abundance and was used for trading in Harappan civilization. Finished ivory products that were seen in Harappan sites include kohl sticks, pins, awls, hooks, toggles, combs, game pieces, dice, inlay and other personal ornaments.

  5. Want to keep your kids believing in Santa? This mom made a ...

    www.aol.com/entertainment/want-keep-kids...

    The package, which costs $20, includes a children's book "Tim Proved Santa is Real," about a boy who took a DNA sample from a cup he'd left out for Santa and used a DNA kit to confirm a match with ...

  6. The best FDA-approved at-home COVID tests - AOL

    www.aol.com/lifestyle/at-home-covid-tests...

    The On/Go test kit includes one test per box, but you can also purchase the tests in bulk for $80 for 12 test kits. In addition to our top pick, the Flowflex COVID-19 Antigen Home Test, ...

  7. Learn about your roots with this simple DNA test kit - AOL

    www.aol.com/article/lifestyle/2019/03/20/learn...

    News. Science & Tech

  8. Ivy Mike - Wikipedia

    en.wikipedia.org/wiki/Ivy_Mike

    The blast created a crater 1.9 km (6,230 ft) in diameter and 50 m (164 ft) deep where Elugelab had once been; [24] the blast and water waves from the explosion (some waves up to 6 m (20 ft) high) stripped the test islands clean of vegetation, as observed by a helicopter survey within 60 minutes after the test, by which time the mushroom cloud ...

  9. OraQuick - Wikipedia

    en.wikipedia.org/wiki/OraQuick

    The OraQuick ADVANCE Rapid HIV-1/2 Antibody Test is a single-use, qualitative immunoassay that can be purchased over-the-counter (OTC). This test kit contains a test swab that collects oral fluid containing antibodies for HIV-1 and HIV-2 from the user’s gums. The material is gathered and combined with buffered developer solution in a test tube.