Shark-tooth saw: Jawzall made from shark teeth tested (VIDEO).

A Nightmarish Saw Made From Shark Teeth (Video)

A Nightmarish Saw Made From Shark Teeth (Video)

Slate in motion.
Jan. 22 2015 1:10 PM

The Shark-Tooth Saw

What a nightmarish invention can teach us about sharks’ jaws.

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Under the guise of learning more about shark jaws, researchers from Cornell and the University of Washington used a reciprocating saw, shark teeth, and our nightmares to fashion a device they named Jawzall.