Well before we understand how brains work, we may find ourselves able to digitally copy the brain's structure and able to download the conscious mind into a computer. What are the possibilities and challenges?
Francis Crick, one of the premier biologists of the 20th century, passed away July 28, 2004, in San Diego. On his 88th birthday last June, I brought him chocolates and spent the day with him in his home in La Jolla.
Sum #2 book in UK
In September, 2009, Sum became the number 2 book in the United Kingdom on Amazon's bestseller list, only behind Dan Brown's Lost Symbol.
Possibilianism at PopTech
Click here to watch David's talk on possibilianism at PopTech. Executive director Andrew Zolli wrote: "This is one of the best talks ever at PopTech. Everyone should watch this."