Last week, we took a look at fluorescent lighting, which is dramatically reducing our energy use for illuminating indoor spaces. This week, we'll cover mercury vapor lighting, which is the most common ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. The type H-1 mercury vapor lamp ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This lamp was designed as a retrofit ...

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If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...