Blurred images that are unidentifiable as still pictures become understandable once the images are set in motion. That's because of a phenomenon called "optic flow" -- which may be especially ...

Philadelphia, Pa. (September 26, 2013) - Blurred images that are unidentifiable as still pictures become understandable once the images are set in motion. That's because of a phenomenon called ...

Kazuhiro Nogi—AFP/Getty Images People ride on a swing at the Wisconsin State Fair in West Allis, Wisconsin, August 9, 2014. The fair started over 150 years ago and mixes agricultural exhibits ...

Freezing Motion – Using a fast shutter speed to capture a sharp image of a moving subject. Blurred Motion – Using a slower shutter speed to create a sense of movement and dynamism in an image.

Blurred images that are unidentifiable as still pictures become understandable once the images are set in motion. That's because of a phenomenon called "optic flow"—which may be especially ...