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Edison Lights the Night: The First Practical Bulb

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Use the arrow keys to move between letters. Press Enter or Space on the first letter of a word, then again on the last letter. Press Escape to cancel.

A few of the words

FILAMENT
Edison's winning filament was a loop of carbonized cotton thread, simple, fragile-looking, yet it burned steadily for over 13 hours on that October night in 1879.Find this word in the grid to read its note.
VACUUM
Pumping the air out of the glass globe was essential: without a vacuum, the glowing filament would combust in seconds rather than shine for hours.Find this word in the grid to read its note.
INVENTOR
Edison held over 1,000 U.S. patents in his lifetime, but the long-burning bulb of October 21, 1879 remains the invention that reshaped everyday life most visibly.Find this word in the grid to read its note.
CARBON
Carbon was Edison's key material, he tested hundreds of carbonized fibers, from thread to bamboo, before the cotton-thread filament proved itself on October 21, 1879.Find this word in the grid to read its note.

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Edison light bulb word search

Edison Lights the Night: The First Practical Bulb: a free online word search

Edison light bulb word search rooted in October 21, 1879, the night a Menlo Park lab changed what darkness meant.

About Edison Lights the Night: The First Practical Bulb

On October 21, 1879, Thomas Edison stood in his Menlo Park laboratory in New Jersey and watched a slender carbonized thread hold a steady glow for more than thirteen hours, proof, at last, that electric light could be practical, safe, and long-lasting. That single thread, sealed inside an evacuated glass globe, turned what had been a flickering laboratory curiosity into the seed of a world transformed. Within a few years, homes, theaters, and city streets that had once known only gaslight and candleflame began to blaze with a clean, steady amber warmth.

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