Scientific American November 2008
Posted: 04 Nov 2008 12:15 PM CST
Size: 16MB
How far can science advance brain-machine interface technology? Will we one day pipe the latest blog entry or NASCAR highlights directly into the human brain as if the organ were an outsize flash drive? Global warming has become such an overriding emergency that some climate experts are willing to consider schemes for partly shielding the planet from the sun’s rays. But no such scheme is a magic bullet
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