In other posts by the OP (the linked post is the first of the blog), they make the same comparisons too. I was suspicious of the OP's credibility, but one of the posts has detailed physics on airborne waves which fits their experience and skills at uBeam: http://liesandstartuppr.blogspot.com/2016/05/acoustic-nonlin...
In other posts by the OP (the linked post is the first of the blog), they make the same comparisons too. I was suspicious of the OP's credibility, but one of the posts has detailed physics on airborne waves which fits their experience and skills at uBeam: http://liesandstartuppr.blogspot.com/2016/05/acoustic-nonlin...