Topic: Perception

We Sacrifice Freedom for Safety, and We Need Not Do So

April 21, 2014
We Sacrifice Freedom for Safety, and We Need Not Do So

Americans cherish their freedom. They enjoy a degree of personal, social and political freedom nearly unrivalled in human history. So it is ironic and even tragic that they willingly forfeit so much of that freedom in pursuit of another value: safety. Safety from what? In a word, crime.

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Brain's Center for Perceiving 3-D Motion Is Identified

July 21, 2009

Ducking a punch or a thrown spear calls for the power of the human brain to process 3-D motion, and to perceive an object (whether it's offensive or not) moving in three dimensions is critical to survival. It also leads to a lot of fun at 3-D movies.

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