Without doubt mankind's greatest achievement.
You should be ashamed of yourself. Do you not watch Top Gear? Engines clearly work on the solid principles of witchcraftAnd ya i admit, I never understood how exactly radial engines worked
http://img851.imageshack.**/img851/8781/sheennosedive.gif
Aaaand.. back to cats:
Yeah, real NSFW:
[youtube]uxX1kA-nhZk[/youtube]