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Channel: Frankie Lucena
Instead of connecting a microphone to my PC sound card, I connected a 500 foot long unused telephone line in series with a 560pf capacitor and an 8.2 meg ohm resistor from the input to ground. Watec cameras are known for getting cosmic ray hits but I didn't know they can cause enough of a disturbance in the atmosphere to create an audible ping.
Video length: 0:09
Category: Science & Technology
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