Some physicists and philosophers would say no, time is an illusion; time is not real. How can that be? Is our sense of time all wrong?
The author Will Self and I appeared on stage together to discuss life, death, and what makes good writing.
How significant is the subconscious?
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?
Interested in synesthesia? Watch a lecture I gave at the University of Sydney in Australia.
Sum was the only book of fiction in New Scientist magazine's selection of Best Books of 2009.
Listen to an interview on BBC's Today Programme regarding the new iPad book Why the Net Matters.
Barnes and Noble selected SUM as one of the Best Books of the Year.