&gt; - Products that would violate known laws of physics or proven mathematical theorems. (Or sometimes even grade school math...)<p>Drop-Kicker just covered one such startup: <a href="http:&#x2F;&#x2F;drop-kicker.com&#x2F;2016&#x2F;01&#x2F;ampy-move-teardown-and-review&#x2F;" rel="nofollow">http:&#x2F;&#x2F;drop-kicker.com&#x2F;2016&#x2F;01&#x2F;ampy-move-teardown-and-review...</a><p>This is from three PHD engineering students from Northwestern.... over $1.5MM raised via Kickstarter and investors.<p>Hard to believe the founders (remember PHDs) are so naive to actually believe in their own advertising claims.