If you’ve ever been to a supermarket in a city, you’ll have likely seen a lock on one of the front wheels of the carts to prevent people from stealing them. A friend and I managed to make a transmitter so that we could the carts would lock when I walked by with the transmitter […]
I’ve collected 65 flash capacitors from disposable cameras over the past months and put them together. Last night we used them to make big sparks and such… see it here.
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