# Why is one bubble clear but many white?

Asked by goootli (162) March 30th, 2010

Maybe this seems like a poor rendition of Zeno’s “How is it one grain of sand drop on the floor is silent but many makes noise?”

But I’ll ask to back up my assumptions.

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Well if you look at this picture of a real bubble, you will notice that it has a reflection. So, if you were to put together a few hundred or so of these, all of the reflections from each of the bubbles would combine and make a white-ish color.

That’s my attempt at the question since no one else has answered yet.

erichw1504 (26420)

@erichw1504
The colours made up in bubbles are due to iridescence, so at different angels different colours can be seen. But from what I seen in my bubbly bath was that the bubbles were white on contact with other bubbles, so where one touches another.

goootli (162)

@goootli Well, maybe because the bath tub is white, so the bubbles are reflecting white.

erichw1504 (26420)

Maybe because white is the absence of all colors.

lilikoi (10084)

@lilikoi
White is all colours.

goootli (162)

@goootli Black is all colors.

erichw1504 (26420)

@erichw1504
An item is black if it absorbs all colours and white when it reflects all colours.

goootli (162)

@goootli OK. Exactly what @lilikoi and I said.

erichw1504 (26420)

@erichw1504
You said “white is the absence of all colours” I said it’s all colours.

goootli (162)

Well @lilikoi said that and you said white reflects all colors, so that means it does not have any color since it reflects them. Black absorbs all color, so therefore it contains all colors.

erichw1504 (26420)

@erichw1504
If he said bubbles have no colours I’d agree but he said white has no colours.

goootli (162)

I think that bubbles are like the fur of a polar bear, or like snow.

Strauss (21493)