image credit: L. Sekaric & H. Craighead, Cornell University; larger image
Cornell News: New Nanoguitar
This tiny guitar, about the size of a cell, can be played--by a 40 megahertz laser beam. To learn more, see this Guardian article, and for much more information, visit Cornell News: New Nanoguitar.
(This feature was updated on 6/26/2013.)
Simple Harmonic Motion
In resonance, an applied periodic force makes an object vibrate at its natural frequency. To find out more, visit Hyperphysics: Resonance. To learn about simple harmonic motion, visit Hyperphysics: Simple Harmonic Motion.