In his home laboratory, Phil – a high school chemistry teacher who also runs a YouTube science channel – discovered that a simple solar panel can ...
Engineeringness on MSN
LEDs Explained: Light Emission in Semiconductor Devices
This video explains how LEDs (Light Emitting Diodes) function and why they are widely used in modern electronics. LEDs produce light by emitting energy when electrons recombine with holes in a ...
Sergei Lavrov has told world leaders in New York that any aggression against Russia from NATO or EU nations will be met with a "decisive response". Follow the latest. Thanks for following our coverage ...
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