In 1923, the first neon sign was introduced in the U.S. Two neon signs were sold to a Packard car dealership for $24,000 which read, "Packard."

A chip of silicon a quarter-inch square has the capacity of the original 1949 ENIAC computer, which occupied a city block.

Four Corners, AZ, is the only place where a person can stand in 4 states at the same time.

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