Posted by Sherman in Idaho [72.47.153.28] on Wednesday, July 02, 2014 at 01:42:24 :
In Reply to: Re: Where can you buy graphene? posted by gmharris [72.219.148.98] on Wednesday, July 02, 2014 at 00:45:28 :
An "order of magnitude" is a factor of ten. A dollar is worth an order of magnitude more than a dime. It is not just another term for "lots more". Given that solar cells are now over 10% efficient, they cannot be improved by an order of magnitude, because if they were, they'd be over 100% efficient.
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