Interesting (to me) that the AIP is based on a Stirling engine. It's the first time I've heard of one being used at scale. No doubt HNers will have countless ot

Interesting (to me) that the AIP is based on a Stirling engine. It's the first time I've heard of one being used at scale. No doubt HNers will have countless other applications at their fingertips, but to me they've always been only theoretically useful desk toys.