Sentence Examples with the word infrared

In this way the existence of bands in the infrared part of the spectrum has been predicted in the case of quartz and detected by experiments on the selective reflection of the material.

I called for the infrared cameras.

Sunscreens for plants protects them from ultraviolet and infrared radiation.

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The visual portion extends from about w.1.3700 to 7200 tenth-metres; the ultra-violet begins about 2970, beyond which point our atmosphere is almost perfectly opaque to it; the infrared can be traced for more tlian ten times the visual length, but the gaps which indicate absorption-lines have not been mapped beyond 9870.