This guy does amazing things with wood. Heres his "airpowered engine" basically demonstrating the principle of the piston steam engine; but running on vaccum provided by a shop vac..just interesting to watch...you mayneed to craft a steam driven engine someday... YouTube- Wooden air engine
WOW, That is COOL. Jenga pistol!!! <object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/F9BmTmMEOhQ&hl=en&fs=1&"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/F9BmTmMEOhQ&hl=en&fs=1&" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object>
