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 akshatrathi on Saturday August 18, 2018 @09:28PM (#17791986)
yep, hence the use of waste material wherever possible.
[ Parent | on HN ]
Re:Stacking concrete blocks is a surprisingly efficient way ... by Gravityloss on Sunday August 19, 2018 @04:29AM (#17793260)
Probably you could throw in a small amount of nanocellulose and it could improve the strength a lot. Especially tensile strength, which is not good for concrete.
[ Parent | on HN ]