Labels:bulletin board | daily | encyclical | fence | reckoner | sky OCR: ined wavelike disturhances the co would electromagnetic field, and that the on a travel at a fixed speed. like ripple aves (thepond. If the wavel ength of these nd the distance between one wave crest what we next) is a meter or more they are elengths now call radio waves. Shorter war are known as microwaves few a ten centimeters) or infrared (more tha light thousandth ofa centimeter). Visil orty and has a wavelength of between only Even eighty millionths ofa centimeter. shorter wavel lengths are known ultraviolet. X rays, and gamma ray radio or Maxwell' theory predicted the fixed light waves should travel at cert ot rid of speed. But Newt ton S theory had was the idea of absolute rest so if ligh elect romagnetic lengtl uave knowr infared length tradio Maxel
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