September 25, 2008
Point & Shoot

Scientists are finding that many of the perceptual problems caused by zero-g have a physiological basis:

Humans orientate in 3D by using otoliths, small crystals of calcium carbonate and protein that shift on hairs in the inner ear. Forces acting on these grains as a person moves mean they can sense acceleration and gravitational pull.

Who knew?

Posted by scott at September 25, 2008 08:52 AM

eMail this entry!
Post a comment

Email Address:



Remember info?