Backboards: 
Posts: 155
In response to "Cool renewable energy concept. A brick tower. -- (link)" by Volnelk

I'm not understanding what energy is used to lift the bricks?

is it also solar? energy has to be used to lift the bricks UP, and then that energy is released when dropping?

Responses:
Post a message   top
Replies are disabled on threads older than 7 days.