More than 350 years ago, a young Isaac Newton fundamentally altered our understanding of visible light when he put a glass prism to a beam of sunlight and saw an array of colors he already knew to ...
IN continuation of our letter of October 29, we find that a reflexion grating does not show the bands so well as a quartz prism, because metals, e.g. silver-on-glass, do not reflect all this kind of ...
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