News for hackers. Stuff that matters.

A comment on Stacking concrete blocks is a surprisingly efficient way to store energy. Parent comment

Re:Stacking concrete blocks is a surprisingly efficient way ... by cgdcraig on Saturday August 18, 2018 @03:52PM (#17790287)
The compressed air systems anger the thermo gods though
[ Parent | on HN ]

There are no comments on this comment yet.