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| Coldlight | ||
| A means of producing illumination that does not produce heat. |
| Our coldlight tubes might have failed. |
| Technovelgy from Sunward Flight,
by Leo Zagat. Published by Super Science Stories in 1943 Additional resources -
|
In the era following the development of the electric light, people became fascinated with the idea that a "cold" light source could be created, as opposed to the hot light bulbs of Edison (not to mention lamps that actually burned substances).
There was a lot of experimentation with fluorescence and phosphorescence.
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