societyApr 3, 201439:07pending

Thinking Sideways: The "Wow!" Signal

About this episode

On August 15th, 1977, Jerry Ehman was working on a SETI project when he detected a 72-second long blast that crescendo-ed in a noise 30 times louder than the background. Jerry circled the text recording of this noise, commenting "Wow!" next to it in red pen, inadvertently naming the phenomenon. Nothing like it has been recorded since.

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Thinking Sideways: The "Wow!" Signal

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