The coloured crayons are triangular in shape and made entirely from wood salvaged from Japanese lumberyards. Available in a variety of hues, from cedar and cypress to walnut and oak, the project aims ...
Scientists have discovered missing colours in the Sun’s light spectrum. Hundreds of dark absorption lines remain unexplained, hinting towards hidden processes in our nearest star’s mysterious ...
A PERUSAL of the articles which have appeared in your journal on this subject (NATURE, vol. lxxxiii., pp. 48, 68, 188, 487, and vol. lxxxiv., p. 87) leads me to ask if the spectrum of water has ever ...
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