Thanks for that, it's great that its 10x better than the previous best effort. It's notable that it needs to get 20x better again before it starts to have useful applications :-).
High hopes, low expectations :-). That said, 'quantum thermal diode' sounds like something that breaks on your space ship and if you don't fix it you won't be able to get the engines online to outrun the aliens. Even after reading the article I think the unit of measure there should be milli-demons in honor of Maxwell's Demon.