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Superhuman vision

All through his childhood, Ramesh Raskar wished fervently for eyes in the back of his head. "I had the notion that the world did not exist if I wasn't looking at it, so I would constantly turn around to see ...

Oct 07, 2014
4.7 / 5 (9) 1

New simple setup for X-ray phase contrast

X-ray phase-contrast imaging is a method that uses the refraction of X-rays through a specimen instead of attenuation resulting from absorption. The images produced with this method are often of much higher ...

Jul 11, 2014
4.9 / 5 (8) 0