The first transistor was a sort of crude metal spring pushing what looks like an arrowhead wrapped in gold foil down into a shard of germanium, the semiconductor, with all of that on top of a metal base. This week, we’re looking at the ecosystems of innovation that turned that invention into … nearly everything. The transistor was born in New Jersey on Dec. The future began 75 years ago this week with the invention of a device that’s seen as the most manufactured item in human history.
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