“Invisible” Light
A DUTCH army officer, having in mind the chaos that can be caused to columns ot military motor transport by aerial bombardment at night time, the target being fixed by the headlights of the moving vehicles, has invented a form of “invisible” light which, he claims, cannot be seen from the air nor, indeed, by anyone not standing in its path. In addition, its presence cannot be detected by reflection. The invention embodies a very narrow beam, which is invisible from a distance of 100 ft., yet provides sufficient illumination for vehicles to proceed at 40 miles per hour. It is stated that the leading vehicle actually is the only one which needs headlights, the others having tail lights set at such an angle that the light disappears from the view of the following driver unless he keeps a pre-deter-mined distance away. In this manner perfect station can be kept, althougn the convoy is proceeding in darkness.
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https://paperspast.natlib.govt.nz/newspapers/PBH19380716.2.120.4
Bibliographic details
Poverty Bay Herald, Volume LXV, Issue 19684, 16 July 1938, Page 9
Word Count
159“Invisible” Light Poverty Bay Herald, Volume LXV, Issue 19684, 16 July 1938, Page 9
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