Science: New Gadgets, may 6, 1957

Sunlight TV Tube. Conventional TV pictures tend to fade out when the light in the room gets too bright. This is because the glowing substance (phosphor) on the face of the picture tube is a reflective powder. In sunlight or other strong light, the reflection gets brighter than the picture and washes the picture out.

Last week the Naval Research Laboratory told about its new system of depositing the glowing phosphor as a transparent film by vacuum evaporation. The purpose of the project was to improve airplane instruments, but the transparent phosphor can be...

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