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It may or may not be true that fire lead to the light bulb. Lets go on a short trip and see where it leads us.

Fire gives off light, and prehistoric man knew this. As time passed, fire was "tamed" and the torch, the lamp, the candle and similar devices were made. They all gave us light through some form of "controlled" burning of something. Additionally, man discovered that very hot metals glowed or gave off light.

Electricity could be used to heat things. Metals that resisted electric current flow got very hot, and it was known that very hot metal glowed. The glowing of metal (or other things) because they were hot is called incandescence. A hot object that is giving off light is said to be incandescent. By picking the right kind of metal and insulating it from air (so it would not oxidize), the metal could be made to incandesce by driving electric current through it. We now have the incandescent light bulb. With these ideas in mind, you can decide if fire lead to the light bulb.

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14y ago

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