All-TIME 100 Gadgets

TIME technology editor Peter Ha picks the 100 greatest and most influential gadgets from 1923 to the present

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Regency TR-1

All-Time 100 Gadgets

Back in 1954, listening to the radio wherever you went set you back $49.95 (less battery). Marketed as the "world's first pocket radio," the Regency TR-1 was also the first transistor radio. It was jointly developed by Industrial Development Engineering Associates and Texas Instruments and consisted of parts built by various parties scattered throughout the U.S.

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