then come back and see it largely shrunken? Once you bring it back out into a warm room it expands again. Now what if we could use that expanding and contracting for moving a piston... and you've got the general idea. If you heat air, it expands, if you cool it it contracts. It's a very simple idea, for a very simple engine.
enjoy liveleak 3v1ld34d
|Liveleak on Facebook|