Egregoros

Been following this guy for a while as a part of my general interest in stirling power generators. He's trying to produce a thermoachoustic engine that anyone in the world can build and which runs on a variety of fuels (his runs on biogas and generates 300W).

https://www.youtube.com/watch?v=ivyMKqm2LOU

#whitepeoplethings

@tyler might be interested.