When my friend and I tried to blink a lamppost I was 15, and I had just shown off a blinking light to my friend. It was a circuit with two relays that alternately turned each other on and off. My friend was impressed. We lived in the quiet small town of Lillehammer, and there wasn't much going on. So we started playing around with the idea that it would be fun to do something "more" with the blinking light circuit. I am not sure who got the idea, but we decided it would be fun to connect this to one of the big street lamps in the street to make it blink! So one night, we snuck out late to avoid anyone seeing us. My friend had borrowed a screwdriver from his dad's garage with the right bit to open the street light cover. This was a screwdriver with interchangeable bits, and the bit at the end of the screwdriver was a small one. We went to the lamp post we had targeted, and I positioned the screwdriver to unscrew the lid. But suddenly the screwdriv
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