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 ...

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 ...

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 ...