in Inventions, Science, Tech & Internet

Useless Fact #392

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Japan developed a smoke detector for the deaf that sprays wasabi into the air.
Japan developed a smoke detector for the deaf that sprays wasabi into the air.

Japan developed a smoke detector for the deaf that sprays wasabi into the air.  

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Bats aren’t blind. They use both their sight along with echolocation to navigate and hunt prey.

Useless Fact #391
A piece from a failed 1960 U.S. Satellite launch fell on and killed a cow in Cuba.

Useless Fact #393