The Glowing Accident That Invented Electronics
On February 13, 1880, Thomas Edison noticed a strange one-way current inside a light bulb, a curiosity he filed away that later became the foundation of all electronics.
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The Day Sound Learned to Stay
On February 19, 1878, Thomas Edison received U.S. Patent No. 200,521 for the phonograph — the first machine that could both record and play back sound.