Two weeks ago, we talked about thermo-acoustic heat pumps on HN [1]. This could interest most of the readers of this thread. [1] https://news.ycombinator.com/i

Two weeks ago, we talked about thermo-acoustic heat pumps on HN [1]. This could interest most of the readers of this thread. [1] https://news.ycombinator.com/item?id=34233719 https://news.ycombinator.com/item?id=34233719