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light bulb

Before light bulbs were made, people used candles or oil lamps to light their homes. But Thomas Edison invented the first true light bulb that could be used in the home in 1879. It mattered because it made it much easier to see at night, allowing people to do things like reading, cooking, and playing games.

How Light Bulbs Work

So, how do light bulbs work? Within every light bulb is a tiny shard of metal: the filament. When the light switch is flipped on, electricity passes through the filament, which causes the filament to heat up and emit light. The glowing filament is what produces the light we see.

Why choose Hulang light bulb?

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