On Dec. 16, 1947, the future began with the invention of the transistor. A lab notebook indicates that researchers at Bell Telephone Laboratories first got the thing to work on this day 75 years ago.
Modern humans have existed for around 300,000 years, and in all the time we've been here, we've made a lot of things. In the early days, homo sapiens fashioned tools from flint and other materials, ...
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