Afterimage means that if you look at a pattern for a while (keep your gaze steady) then look at a plain (non patterned) surface you see a "negative" of the pattern for a while.
your eyes absorb the light that it was just in and allow you to see even if there is only a little bit of light peeking in you would be able to see though just after the lights go out it may take a...
to see something in new light means to see something with a different perspective. For example, if you at first thought a dog looked old and ugly, and then you got used to it and found out it was...
What we can see is the reflection of light from other objects. Certain substances act as a filter, they absorb and repel certain frequencies of the Electro-magnetic spectrum to give colour etc. When...