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[–]bobbobbybob 2 insightful - 1 fun2 insightful - 0 fun3 insightful - 1 fun -  (0 children)

https://codex4.wordpress.com/2013/01/02/swastika-nano-light-mill/

Funny how old knowledge meets new so head on in so many areas.

Nano scale light-drives (converting light to mechanical motion) are swastikas...