Sonic black hole

Scientists have created a sonic black hole using Bose-Einstein condensates near absolute zero.

Since atoms move between the [Bose-Einstein condensate] clouds faster than sound, any sound wave trying to escape will fall farther and farther behind, never able to escape the sonic event horizon. “It’s like trying to swim slowly against a fast current,” said Steinhauer. “The sound waves fall behind because the current is moving faster than the waves.”

Bose for speakers, Bose-Einstein for anti-speakers. Now, if we could just position one of these holes near the Fox News anchor desk, we’d be all set.

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