Comments on: Phase-change concrete melts snow and ice without salt or shovels https://lifeboat.com/blog/2024/03/phase-change-concrete-melts-snow-and-ice-without-salt-or-shovels Safeguarding Humanity Tue, 19 Mar 2024 15:30:32 +0000 hourly 1 https://wordpress.org/?v=6.6.1