For those folks who lack room for a layout in any of the current scales, here’s a chance to run live steam:
http://www.forbes.com/sites/alexknapp/2011/12/12/researchers-build-a-one-particle-steam-engine/

For those folks who lack room for a layout in any of the current scales, here’s a chance to run live steam:
http://www.forbes.com/sites/alexknapp/2011/12/12/researchers-build-a-one-particle-steam-engine/

I have a hard enough time seeing HO stuff…