Who invented the LED?

LEDs, or Light-Emitting Diodes, are a semiconductor source of light, which emit photons when electrons recombine with electron holes within the device. Ranging from most basic electronic equipment all the way to expensive cars and advanced lighting devices, LEDs can be found in a multitude of colors and configurations. But who invented LEDs? LEDs are a brainchild of Nick …

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Who invented the X-Ray?

X-radiation is composed of X-rays, and represents a form of electromagnetic radiation. Wilhelm Conrad Roentgen is famous for discovering electromagnetic radiation in a wavelength range that we today know as X-rays. This achievement earned him the Nobel Prize in 1901, which made Wilhelm the very first recipient of the Nobel Prize in Physics. X-radiation is also called Roentgen radiation often, after its discoverer. He named it …

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