This video explains how LEDs (Light Emitting Diodes) work and why they’ve become one of the most important components in modern electronics. Found in phones, TVs, headlights, indicators, and even ...
The simple Diode and LED Tester presented here costs under £5 to build (including all components, the battery and a cheap case) and will indicate the polarity of almost all types of LED and other ...
For the first time, researchers in China have demonstrated a high-temperature superconducting diode effect, which allows a ...
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