Under IR 940 nm, the image on the LCD screens disappears. Под ИК 940 нм исчезает изображение на ЖК экранах.

in science •  last year 

Under infrared rays with a wavelength of 940 nm, the image on black-and-white liquid-crystal displays completely disappears.

Под инфракрасными лучами с длиной волны 940 нм полностью исчезает изображение на чёрно-белых жидкокристаллических экранах.

Channel: https://www.youtube.com/channel/UCn5qLf1n8NS-kd7MAatofHw
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