The days of thinking of time as a river—evenly flowing, always advancing—are over. Time perception, just like vision, is a construction of the brain.
Watch an experiment in which we studied time perception by dropping volunteer subjects from a 150 foot high tower. Free fall.
What does it mean for time to be real? Is time the ultimate stage on which all events play?
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.
Your reality need not be constrained by your biology. Read the interview here.
Sum was selected as Book of the Week by both The Guardian newspaper and The Week newsmagazine.