So many rival forms of lamps have recently been devised for regulating the electric arc light that even specialists in this branch of applied science have some difficulty in keeping up a knowledge of ...

You’ve never seen speakers like these. Instead of a traditional speaker diaphragm, plasma arc speakers use a modified carbon arc lamp to produce sound. The best part? You can build them yourself, and ...

An early carbon arc lamp using two flat plates instead of the more common design using two rods. Touching the plates and then retracting them slightly initiates the arc as usual. The arc travels ...

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 ...

Well, I did everything in my power to stop it from happening. All my neighbors put their snowblowers and shovels away, people pulled out their driveway stakes, and even my own wife took her hat and ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. overall: 52 in x 8 in x 8 in; 132.08 ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

You’ve never seen speakers like these. Instead of a traditional speaker diaphragm, plasma arc speakers use a modified carbon arc lamp to produce sound. The best part? You can build them yourself, and ...