Posts Tagged 'physiology'

Size Does Matter [video]

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Living Creature Found With Mechanical Gears

Issus, a type of planthopper has perfectly formed gears on its legs. The gears are present in the young issus, but disappear when it reaches adulthood.

According to Popular Mechanics –

With two diminutive legs locked into a leap-ready position, the tiny jumper bends its body taut like an archer drawing a bow. At the top of its legs, a minuscule pair of gears engage—their strange, shark-fin teeth interlocking cleanly like a zipper. And then, faster than you can blink, think, or see with the naked eye, the entire thing is gone. In 2 milliseconds it has bulleted skyward, accelerating at nearly 400 g’s—a rate more than 20 times what a human body can withstand. At top speed the jumper breaks 8 mph—quite a feat considering its body is less than one-tenth of an inch long.

continue reading HERE

Issus-02-0913-s


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