Why the night is black?

I've been doing research on camouflage and I often hear black stands out at night but how do anmials that are black disappear so well?

among 7 spectral colours, black is not one among them. but why sky appears black in night?

OK, so my high school friend and I decided to meet up Saturday for a bit of karaoke. We get to the place, get a table and get to catching up when this dude with a cowboy hat, tight jeans and whatnot comes over and says something like "What's two...

Why is the sky black at night?

i don't understand why i see them in the morning but when night comes it's like they're gone. do black come with a natural cloaking ability that we others do not have? when do you think apple will be able to harness this seemingly great power of theirs...

in the viewing... day time sky is blue and night time sky colour is black? same sky.. two shades.. why is that looks different?

I remember Arsenio Hall and wonder... where did all of the good black late night talk shows hosts go? Why are there so few and all white?

supposingly stars which we can see them at night, shine like our sun that their light go in all direction. If this is the case, why our shy is dark at night while we have hundreds and thousands of stars above us?

There were already two black men on the show, out of sixteen total, which is similar to the percentage of the American population that is black. Latinos are a significantly larger minority, and there are still no Latinos on the show. If the show is supposed...