Refraction vs X - What's the difference?
refraction | x |
(physics) The turning or bending of any wave, such as a light or sound wave, when it passes from one medium into another of different optical density.
(metallurgy) The degree to which a metal or compound can withstand heat
The twenty-fourth letter of the .
Image:Latin X.png, Capital and lowercase versions of X , in normal and italic type
Image:Fraktur letter X.png, Uppercase and lowercase X in Fraktur
Roman numerals
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