The ARC Plasma Speaker ($100) from ExcelPhysics does away with conventional magnet driven speaker drivers for an arc of plasma. There are no other moving parts, just an arc of plasma running at 30,000 volts, modulating the air to generate music. The ARC comes in a kit or for $299 you can get one fully built.
If you’re looking for a pair of headphones that are perfect for the gym and physical activities, check out the Monster iSport Freedom Headphones ($225). These wireless headphones are great for your toughest workouts. Not only do they deliver great sound, but they’re sweat proof, water resistant and extremely comfortable. If you worried about them […]