Science: Bz-z-z-z!

The flat and evil-looking fish, of the genus Torpedo lies quivering on a wet napkin. A wire extends from the napkin to a nearby basin of water. A man holds a finger in the basin and another finger in another basin. A second man holds one finger in the second basin and another finger in a third basin. And so on—until the eighth man, with his finger in the seventh basin, touches a wire to the back of the fish, a ray. Then, although none of the men is touching the fish or any...

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