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A failed lightbulb helped launch modern electronics

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While everyone else was obsessing over making lightbulbs last longer, John Ambrose Fleming stared at the weird dark smudges inside Edison's failed tubes and realized they could rectify radio signals. He basically weaponized a lightbulb's failure to invent the vacuum diode, jumpstarting the entire electronics industry from industrial garbage.

A failed lightbulb helped launch modern electronics
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