CassMidnight t1_j3qdm2p wrote on January 10, 2023 at 10:14 AM Reply to French startup uses Hi-Fi speakers to develop eco-friendly heat pumps by BorgesBorgesBorges60 I wonder if the lifespan will actually be 30yrs given how hard helium is to contain. Maybe it would need topping up? Permalink 10
CassMidnight t1_j3qdm2p wrote
Reply to French startup uses Hi-Fi speakers to develop eco-friendly heat pumps by BorgesBorgesBorges60
I wonder if the lifespan will actually be 30yrs given how hard helium is to contain. Maybe it would need topping up?