Elon Musk's declassified SpaceX NASA Ultra Air Heater
(globalmoneysaving.com)https://globalmoneysaving.com/ultraairheater/index.htmlClaims to cut your heating bill to $0. They claim the "$5 billion dollar heating industry wants to ban it."
Some claim this is a total scam. Yet clearly Elon Musk is holding it proudly at a Ted Talk.
Edit: I think Elon Musk tried to scam me.
