New suction-cup system spins water to stick to rough surfaces
Pretty cool. Reminded me of what this guy is doing, he calls it "orthosonic lift": <a href="https://youtu.be/kG6vXGidQbo" rel="nofollow">https://youtu.be/kG6vXGidQbo</a><p>Some more info: <a href="http://sciencechatforum.com/viewtopic.php?nomobile=1&f=77&t=28698&start=0" rel="nofollow">http://sciencechatforum.com/viewtopic.php?nomobile=1&f=77&t=...</a><p>I believe he has a couple of patents on the technology, but not sure he'll ever get around to making something practical with it.