The doctor considered her words. "I suppose that might be one way to put it. The glass can only take so much vibration, and after the intensity goes up enough, bam!" He said with a short laugh. "And yes, theoretically it could work with teeth and bone... It'd have to be pretty intense though." He added with a thought, doing the calculations in his head, grabbing the numbers he needed from his memory.<br/><br/>He shook himself out of it, his eyes meeting her hazel ones for a long moment. "Don't be getting any ideas, beautiful. I'm not giving you a speaker or a tuner." He said with a chuckle. "But anyway." He scrawled a page number, then two problems on the board. "Two problems for next time we meet. Shouldn't be too hard, just use the equations." He said. "I'm available in my office after class."