Ice Piston

This is a simple thermal engine you can build at home. It's power/size ratio is amazing and the temperature range it operates in can be sourced cleanly and greenly :)

Comments

[skrew_dreyever]

... how do you make one? did I miss a link somewhere?

[DavidW42]

I'll have more detailed info up in the next few weeks, but for now the "description" video lays out the basic principles.

[seamster]

Cool idea!