Dave debunks the uBeam ultrasonic wireless phone charging technology and explains why this will NEVER be a practical solution.
Also, Meredith Perry's rant on engineers and other experts.
NOTE: This was split out from video #1000 for SEO reasons. There should be a debunking video of this searchable on Youtube.
Some extra material has been added from video #1000 at the 11:58 mark
https://www.eevblog.com/forum/projects/the-ubeam-faq/
Paul Reynolds, former VP Engineering at uBeam!
On Non-linearity: http://liesandstartuppr.blogspot.com.au/2016/05/acoustic-nonlinearity.html
On why uBeam won't be practical: http://liesandstartuppr.blogspot.com.au/2017/06/arguing-point.html
I challenge you to watch all 15min of this:
USA Today video:
► Watch on DTube
► Watch Source (IPFS)