Why does dust on a white car appear black, but dust on a black car appears white?
412331
Try to clean the white dust from a black car with a white towel, and you will see, that the dust turns black. Actually, the dust is grey, with some parts dark grey, nearly black, others light grey, nearly white.
50071
The whiteness of clouds is due to the tiny particles of water that make them up refracting the sunlight that enters them to make it appear brighter as it comes out. They are white because all wavelengths are allowed to pass through them; none are absorbed.\n\nThe fluffiness of some clouds is caused by the interactions of winds and pressures that force the water particles into a particular shape.
318117
For the same reason the sky looks blue. If the air were perfectly transparent and without dust or water vapor etc, you would see the distant greeny hill look green(y).\n\nBut due to the presence of microscopic dust in the air, the distant objects take on a very slightly bluish hue.
904698
It is the very complicated surface of the snowflakes.  Ice and water may be clear, but some light is reflected, and some gets transmitted.  In the case of snow flakes, which are ice cristals, there is so much surface to reflect off, and light transmitted leaving off the back will strike the next snowflake behind (or the next bit of the same snowflake, deeper in) and eventually reflect back.  Since the shape is so weird, no coherent reflection can be seen, hence no good mirrored surface.  But the light will come back looking the same color as going in, hence white.
21452
Snow is actually clear like ice in a tray. Snow is simply a smaller version of that. It only appears white because of its small particles of ice and light reflection. there is always light reflecting even at night so the snow will still appear to be white.
442332
They are residues left from dust or sand, but more they are particles of air that reflect the light on various ways they are being projected to our eyes and that's what we see..
1091275
it's because you print of white paper and not black paper. if you remember, black is the lack of any color RGB(0,0,0), while white is the equal and complete mix of all colors RGB(1,1,1) (where gray would be RGB(0.5,0.5,0.5)). this is impossible to acheieve on white medium, because you couldn't ever obtain black (sprayin' no color at all would leave the sheet white, and spraying all colors in mixed amounts would get you white again).
414472
HAHAHAHA You all forgot about our little friend called drag! Inside or out the ball has a drag force acting on it by the surrounding air. Like stated before the air in the car is moving with you, and the car, and the ball all the same and the drag force on the ball at this point is negligible. This is not the effect of a vacume, a vacume is the absence of air. is it possible for there to be no air in the car? NO, Sooo.. outside on a bike or where ever, you are traveling at a speed where the balls light weight will be significantly affected by this drag force and it will cause it to slow down as you throw it up and while you keep riding on un affected by the static(motionless) air, your ball only has one force acting on it, air drag causing it to slow behind you.   test this by throwing a variety of same shaped objects while riding and you will see that the one with the most density will keep up the best. try a marble V.S. a ping pong ball.  then do it in the car
1109803
This is probably because of a dusty lens. Run a lens cleaner Disc in the xbox360... and voilla, all crisp and nice again!
439947
u might have something in your car drawing extar power which is making them dim, or the lens that covers the headlights might be yellowed from the sun.
562633
The black paint gets hotter in the sun, more than lighter colored cars,due to radiant heat. the birds can pick up this temprature differance with thier eyes and will drop there or near the car.
876426
All objects that you can see absorb some light.  Black objects absorb all light while color objects absorb all but that spectrum of light.  Something white absorbs very little light.  If something absorbs no light, you will not be able to see it because no light is reflected back to your eye.
496587
White things are white because their chemical composition is balanced in such a way that it reflects the full spectrum of colors. The air has oxygen in it. Oxygen is very reactive with a lot of chemicals. As oxygen molecules bond with the chemicals in the white substance, the light is absorbed in different ways. Some wave lengths are reflected and others are absorbed. We commonly see this as a yellowing effect, but fading can result in other colors as well.
724837
Yes, it would be black. The colour of object depends on what wavelengths of light are absorbed and which are reflected back by an object essentially.\n\nSo if all wavelengths of light are absorbed then it appears black, and if everything is reflected then it appears white. Every other colour we see depends again on the wavelength that is reflected.
233533
White with black stripes, or black with white stripes.  Depends how you see it.
864119
Light contains particles known as Photons. Since it is dark all around the theatre there will be large difference in the density of photons between dark and light rays. Due to this difference the emerging light rays will be clearly visible. The dust particles in the air will be visible along with the rays since they are present in the atmosphere. But the visibility of light beam is not due to presence of dust particles.
227752
to make it visible in the dark sky at night( white is the most contrasting colour to black syk)