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• #2
Is it a sign of the times that I think that's just a big wind up?
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• #3
Grit.cx did a good little article on them too. They Look interesting. http://grit.cx/news/2015/05/frictionless-bearings-that-never-need-greasing
Edit. I think it just links into the previous link.
http://www.popularmechanics.com/technology/gear/a15603/super-efficient-greaseless-bearings/?click=welcome-ad