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The Gilbert U-238 Atomic Energy Laboratory was packaged in a customized metal case. The Gilbert U-238 Atomic Energy Lab is a toy lab set designed to allow children to create and watch nuclear and chemical reactions using radioactive material. The Atomic Energy Lab was released by the A. C. Gilbert Company in 1950.
A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable (i.e. confounding variables ). [ 1] This increases the reliability of the results, often through a comparison between control measurements and the other measurements. Scientific controls are a part of the ...
Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are made up of cells that process hereditary information encoded in genes , which can be transmitted to future ...
Geology Bundle Science Kits. You can’t go wrong with this set of three geology science kits. There’s a crystal-growing lab that includes a light-up base for kids to display their colorful ...
1863 – Gregor Mendel 's pea plant experiments ( Mendel's laws of inheritance ). 1887 – Heinrich Hertz discovers the photoelectric effect. 1887 – Michelson and Morley: Michelson–Morley experiment, showing that the speed of light is invariant. 1896 – Henri Becquerel discovers radioactivity. 1897 – J. J. Thomson discovers the electron.
Stern–Gerlach experiment (1920): Otto Stern and Walther Gerlach demonstrates particle spin. Chicago Pile-1 (1942): Enrico Fermi and Leó Szilárd build the first critical nuclear reactor (1942) Wu experiment (1956): Chien-Shiung Wu leads the team that disproves the conservation of parity in particle physics.
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