Claw like Device Open (IMAGE)

University of California - San Diego

Claw like Device Open

Caption

In this paper, one finding was the importance of a T-shaped structure running down the middle of each of the urchin's teeth, called the keel. Simulations show that teeth with keels experienced 16 percent less stress than teeth without keels when subjected to a 10lb-load. Researchers also noted that adding the keel increases the mass of the tooth by only 4 percent.

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Jacobs School of Engineering/UC San Diego

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