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This computer made of springs and bolts doesn’t need electricity

In A Nutshell A physicist built a device from ordinary bars and springs that can count, store memory, and process information ...
WDBJ

This Day in History: First computer model introduced

(WDBJ) - On this day, 44 years ago, IBM introduced its first personal computer: the model 5150. The computer cost around $1500. It came with only two programs, one for spreadsheets and another for ...