4 ms·
It was popular in the 1950s. Deployed near where you live, even.
by wumpus 4y ago
It was popular in the 1950s. Deployed near where you live, even.
- WalterBright 4y agoI know Seattle has an old steam plant to supply the downtown with heat. Never heard of rock storage in the US. I'm interested in a reference. If so, Americans have forgotten all about it, replaced with a desire to do it all with electric batteries.