r/science • u/mvea Professor | Medicine • Nov 03 '19
Chemistry Scientists replaced 40 percent of cement with rice husk cinder, limestone crushing waste, and silica sand, giving concrete a rubber-like quality, six to nine times more crack-resistant than regular concrete. It self-seals, replaces cement with plentiful waste products, and should be cheaper to use.
https://newatlas.com/materials/rubbery-crack-resistant-cement/
97.2k
Upvotes
1
u/Dip__Stick Nov 03 '19 edited Nov 03 '19
Direct heat is still possible with thermal contact. Most of the water cooling the reactor goes out to the ocean/river from whence it came. Or for landlocked reactors, up into the air as steam from the cooling towers.