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IgnorantBoatAccident 1 point ago +1 / -0

Similar to the old Israeli trick to visually measure the vibrations of a hanging lightbulb to capture the sounds in a room.

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IgnorantBoatAccident 1 point ago +1 / -0

They'll drive up a bomb drone and do a count down. They're already being built and used. MicahXavierJohnson