Many neuroscientists and philosophers think it ain't gonna happen, ever.
We're talking about building a machine that functions as the equivalent, or maybe as superior to, a human mind.
A synthetic brain doesn't have to be the exact equivalent of a human brain, but there are humans, the brilliant inventor Ray Kurzweil in particular, who hope one day to dump their minds into such a machine, boot up and go on living, disembodied, but mentally intact, forever.
Good morning. I'm Renee Montagne. While NASA put a rover on Mars, audiences were riveted by the high- stakes landing, and also by some high hair. Bobak Ferdowsi was on the mission control team when suddenly, his haircut made him famous. It's a mohawk, streaked in red and with stars dyed on the sides of his head.
"Mohawk Guy" has become an Internet star. He says he gets a new haircut for each mission, with colleagues voting on the design.
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