The physics of vibrations in sex toys
Penises too have natural frequencies, which can change depending on arousal. It's the strongest battery vihrations vibrator i've found, too. If you start out very slowly, you'll probably end up oscillating well below your bed's fundamental resonance and won't bounce on the bed much at all. WarburtonJean M. Many of the vibrators that plug into the wall generate oscillations with a different type of electric motor called a solenoid.
