Heatpumps are an extremely widely deployed technology by now (I have one in my house, so have everyone I know); this is an article about inventions in heat pump

Heatpumps are an extremely widely deployed technology by now (I have one in my house, so have everyone I know); this is an article about inventions in heat pump space, and the post is sceptical about the concept of heat pumps. Kind of like a post about a new kind of airplane getting a comment saying that the concept of flying makes their BS alarm go off. Yes, flying is a bit "magic" and seems to defy the laws of gravity....