Among metals, osmium has the maximum optical emission rate. Consequently, after Edison’s carbon filaments, osmium was used at the beginning of the lamp sector. The main drawback of this metal is its ...
Quartz Tungsten Halogen (QTH) lamps are proven visible and near infrared sources, thanks to their smooth spectral curve and stable output. They generate little ultraviolet radiation and do not exhibit ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Irving Langmuir received a Ph.D. in ...
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