The Surprising Science Inside a Flashlight
0:16
YouTube4techEC
The Surprising Science Inside a Flashlight
Ever wondered what makes a flashlight work its magic? From the humble LED to the clever circuitry, we're shining a light on the surprising science inside a flashlight. From the physics of light emission to the chemistry of battery power, we're exploring the fascinating facts and hidden technologies that make flashlights an essential tool for ...
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