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Results tagged with visible-light
Search options not deleted
user 47304
Questions related to the perception and measurement of light (primarily in the visible range), its mathematical description, the reproduction of colors by different means, color combinations, etc. Please use the tag [electromagnetic-radiation] if you want to refer to the general form of light.
31
votes
5
answers
11k
views
Can the sun cast a shadow?
The sun's light can cast the shadow of another object, but does it ever cast its own shadow?
- 593
15
votes
9
answers
21k
views
Is darkness really light?
According to this wikipedia article
"Consequently, most objects that absorb visible light reemit it as heat. So, although an object may appear dark, it is likely bright at a frequency that humans …
- 593