Engineeringness on MSN
How Do LEDs Turn Electricity Into Light?
LEDs are tiny components found in phones, TVs, lights, and displays—but how do they actually glow? This video explains how ...
How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...
Engineeringness on MSN
How Do LEDs Make Light From Electricity?
They’re in your phone, TV, car headlights, remote controls—even traffic lights. LEDs (Light Emitting Diodes) are everywhere.
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