Reels tagged #electricity
Swipe up
Inventions
Edison tested over 6,000 materials for one filament
The bulb wasn't a single flash of genius. Edison's team tried thousands of substances, including bamboo, before finding a carbon filament that glowed for more than 1,200 hours.
Inventions
The first battery was stacks of coins and brine
Volta's 1800 pile of copper and zinc discs separated by salt-soaked cloth gave the world its first steady electric current and made electrical science possible.
Inventions
Faraday's first motor fit in a glass of mercury
In 1821 Michael Faraday made a wire rotate continuously around a magnet in a mercury bath. Nearly all electric motors today descend from that desktop experiment.