"Written by Megan Roth"--Back cover. Consists of 1 volume of text and 1 box containing parts for a 6-inch rocket model and a double-sided poster, bound together with a standard hardcover. Text volume ...
On Oct. 3, 1950, three scientists at Bell Labs in New Jersey received a U.S. patent for what would become one of the most important inventions of the 20th century — the transistor. John Bardeen, ...
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