HackerTube / Video
EEVblog #1001 - uBeam Ultrasonic Wireless Charging DEBUNKED!
EEVblog
Dave Jones of EEVblog debunks the uBeam ultrasonic wireless phone charging technology and explains why it is not practical. He covers efficiency, coupling loss and safety, and responds to the founder's remarks about engineers.
Cited as the definitive engineering takedown of uBeam and as a cautionary example of hype-driven startups.
3 Hacker News mentions · 2017–2020