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Erik Weihenmayer's BrainPort translates images into electrical signals.
how we justify our choices, even when the thing we've chosen has been unknowingly swapped. It turns out, most of the time we don't notice the change and precede to give reasons for why the thing we didn't choose was the best choice. (Mind Hacks)
WE HAVE all heard of experts who fail basic tests of sensory discrimination in their own field: wine snobs who can't tell red from white wine (albeit in blackened cups), or art critics who see deep meaning in random lines drawn by a computer. We delight in such stories since anyone with pretensions to authority is fair game. But what if we shine the spotlight on choices we make about everyday things? Experts might be forgiven for being wrong about the limits of their skills as experts, but could we be forgiven for being wrong about the limits of our skills as experts on ourselves? (18 April 2009 - New Scientist)
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