I really love stirling engines. Even built a model that works. (barely)
And the thermoacoustic ones are genius on top of genius. I just hope this technology really matures and gets affordable.
Till then one can still have a small thermoelectric generator.
So there I was, trapped in the jungle. And at the last minute, I was saved by this tiny ad:
a humble home and a large garden will erase stress from the rat race