Carbon Nanotube Speakers Play Music With Heat Published July 24, 2015 By News Research Troy Bouman reaches over, presses play, and the loudspeaker sitting on the desk starts playing the university fight song. But this is no ordinary loudspeaker. This is a carbon nanotube transducer—and it makes sound with heat. Read More ← Previous Post Lake Superior Day Next Post → Connecting People and Geology on Volcanoes