The personal linkpost, pop culture recorder, and blog of Tom Mannino, aka Evilzug: PhD in Internetology, Flash Hax0r extraordinaire, and self-proclaimed Master of the Internet. Also, cats.
Pity the non-engineers who cannot discern the sinusoidal motion on the part of the subject. Engineers, on the other hand, take delight in burying ourselves in such interesting research, such as describing simple harmonic movement.