How little math Americans actually use on the job

Blue-collar workers generally do more advanced math than their white-collar friends.

In high school math class we would sit there listening while the teacher droned on about polynomial equations and thinking there wasn’t a chance you’d ever use any of it in life? Well, if you’re like most Americans, chances are your 17-year-old self was absolutely correct.

 

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How Our Eyes Adapt To Movement

How Our Eyes Adapt To Movement 

When an object moves fast, we follow it with our eyes: our brain correspondingly calculates the speed of the object and adapts our eye movement to it. This in itself is an enormous achievement, yet our brain can do even more than that. In the real world, a car will typically accelerate or brake faster than, say, a pedestrian. But the control of eye movement in fact responds more sensitively to changes in the speed of fast moving objects than slow moving objects.

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