foofdawg

So the Bill and Melinda Gates foundation supported them with a grant, but not enough of a grant to do product testing?

Something sounds fishy to me....They seem to be all about results-based investing, and I just don't see the foundation providing funds without providing enough to "see it through" the development and testing phase.

Am I wrong here?

Sailing Stones were (allegedly) recently figured out.

http://www.livescience.com/37492-sailing-stones-death-valley...

Phones are different in size.

Condensation/spills become a much bigger problem.