3 ms·
That's really cool (dad pun intended). I don't understand the ice component though... is the heat capture an ancillary benefit? One web-search result uses a roc
by mcbishop 5y ago
That's really cool (dad pun intended). I don't understand the ice component though... is the heat capture an ancillary benefit? One web-search result uses a rock mass: https://heindl-energy.com/ https://heindl-energy.com/.