Black's black what-

名句:愿以闻于官。

  What in the world the most dark? You may say, this problem some absurd, because black is black, shallow black is grey, what is the most black? In fact you are wrong! Because in the eyes of scientists, and there are black and dark. Such as black carbon, or be artificial black paint coat, the black can absorb visible light, but it can't absorb infrared and ultraviolet ray, so use infrared telescopes can see them. But there is a kind of material, infrared telescopes can't see it, because it absorbs the infrared rays, ultra-violet rays all, didn't reflect any frequencies of light, and because of that, this kind of material in the human eye, even sensitive viewer, it seems, is black, and it is the black thing in the world at present.

Black's black what-_高中生作文,高三作文,高三英语作文_really完美作文

  Of course, this HeiCaiLiao is not natural, but American scientists developed a kind of special material. Experiments confirm that this material can absorb 99.5% uv, visible and infrared light. Although there is also a performance before a near perfect absorption of light material, but the material is only valid absorb ultraviolet and visible light band, compared with the new material 'nearly 100 times better. New materials while unique role, but its structure is not very mysterious, it is actually a kind of pure carbon hollow tubular body, the thickness is one over ten thousand of the diameter of a human hair. They themselves have adsorption, can be attached to the vertical surface of different material, like the carpet of hair can be attached to the vertical on the carpet. If them daub on the surface of silicon, titanium and stainless steel, so the material becomes the most black thing in the world.

每日一读:人有了物质才能生存,有了理想才谈得上生活。

标签:高中生作文,高三作文,高三英语作文 作者:really

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