In his home laboratory, Phil – a high school chemistry teacher who also runs a YouTube science channel – discovered that a simple solar panel can ...

A brief look at a twenty different diodes, their symbol variations, and a basic description. And yes, we're looking at tubes ...

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This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple ...

CNN’s Fear & Greed Index is a way to gauge stock market movements and whether stocks are fairly priced. The index uses seven market indicators to help answer the question: What emotion is driving the ...