Word: infra
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...device, an infra-red stellar photometer, picks up and records electrically infra-red radiation with wave lengths three to four times longer than those of visible light. The Milky Way is lens-shaped, and ordinary visible light cannot penetrate the great clouds of interstellar dust that obscure the galactic center...
With the photometer, Miczaika pointed out that astronomers could pick up emissions from unseen stars, which send out great amounts of infra-red light...
...seem to have lost our pleasure in reading. More and more young people undertake the professional study of literature; fewer and fewer like to read. It is my impression that the act of reading, which used to be an appetite and a passion, is now thought to be rather 'infra dig' in people of intelligence; students make it a habit to settle on a very few authors, or, if possible, one author, whom, they undertake to comprehend entirely and to make their own; or to wait until they can conceive a 'problem' suitable to their talents before they read...
...chemistry William A. Klemperer '50 is a expert on infra-red spectra. He received his Ph.D. from the University of California. Also appointed was Francis G. A. Stone, who is concerned with inorganic chemistry and molecular structure. He is engaged in research with Eugene G. Rochow, professor of Chemistry...
Klauber tells how rattlesnakes hunt. Their eyes are pretty good, but in darkness they depend on the "pits" in the sides of their heads. These are true senses, responding to infra-red (heat) radiation like soldiers' snooperscopes. In the darkest night or at the bottom of the darkest burrow, the snake can "see" a mouse or a squirrel by the warmth of its skin...