Luminglas If you thought Plasma Balls were cool, just wait until you get a look at Luminglas. Crafted from fine quality 12 inches glass, Luminglas transforms electric current into a spectacular array of light so unique. The first was seen in the film Star Trek ® "First Contact". Just plug it in, and watch as lightning mysteriously dances inside a disk of glass that's less than a half-inch thick! Lightning visible from both sides. You control the size and shape of the light with its easy-to-use controls. Create everything from a delicate tapestry of spider webs, to a powerful lightning storm! Luminglas also features a sound responsive control which, when used with your voice or music, creates a pulsating rhythm of light that will dazzle the senses. The Luminglas powered by household current using included AC adapter. Luminglas in action