Czech glass artist Michal Zahradnik> designed this all-glass steam engine, which he claims is fully operational and can run at 500rpm. Some of his other creations include a model plane and Harley-style motorcycle. All I know is the sound this thing makes is going to haunt my dreams.

http://feedproxy.google.com/~r/ThereIFixedIt/~3/OIVahyC7Jws/all-glass-steam-engine