Scientists strengthen concrete by 30 percent with used coffee grounds

[Kent Sharkey]

Engadget[^]:

Just need to pyrolyze them at 350 degrees Celcius for a bit.

I guess I'm going into the cement business now

[Nelek]

I know someone whose blood would give 70 or 80% more strength for sure. :rolleyes: :-D

M.D.V. ;) If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about? Help me to understand what I'm saying, and I'll explain it better to you Rating helpful answers is nice, but saying thanks can be even nicer.