Here is a VLF receiver tuned to 300 kHz designed to detect the crackle of approaching lightning. A bright lamp flashes in sychrony with the lightning bolts indicating the proximity and intensity of ...
Engineeringness on MSN
This Simple Wire Controls Power in Every Device
Inside nearly every electronic device is a simple coil of wire doing a powerful job—it’s called an inductor. Though small and ...
We all carry supercomputers in our pockets and use dozens of electric gizmos every day but rarely stop to marvel at the magical act of flicking a switch. Use your ordinary conducting and extraordinary ...
Thinking of tackling electrical repairs but don’t know where to start? With just a little knowledge–and less than $100 worth ...
A circuit is a closed loop containing various components. Electrical current flows around the circuit. Scientists use symbols to represent the different components in a circuit. Symbols are simplified ...
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