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Night watch

Published 08.01.2012 Presenter Evgenij Glazkov

Night watch

Historically most people are scared of darkness. In part this explains human desire to create artificial light sources.
However, apart from fear, darkness evokes the sense of danger. What is there where nothing is visible and an enemy or a danger may be hiding?
People have thought about the problem of inventing the device which would allow seeing in the dark since long ...