#Ziroth #video on #ornithopters #drones, mostly talking-head filler with stock footage, but some of the stock footage is from ornithopter research groups. Mentions that a Chinese homing-pigeon drone had a record flight time of three hours, presumably on batteries.
on 02024-12-04#video by #Ziroth on Helix Earth Technologies’s #air-conditioning with undisclosed liquid #desiccants to reduce #energy demand
on 02024-11-14