When you go for a walk, how does your brain know the difference between a parked car and a moving car? This seemingly simple ...

University of Rochester researchers discover that contrary to long-standing beliefs, motion from eye movements helps the ...

I just read in a book that the receptors in or eyes primarily record <I>changes</I> in contrast levels. It is not the object, it's more the derivata of the object you see.<P>If the eye was held static ...

If you quickly move a camera from object to object, the abrupt shift between the two points causes a motion smear that might give you nausea. Our eyes, however, do movements like these two or three ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...