"Computational reducibility may well be the exception rather than the rule: Most physical questions may be answerable …"

"It was the spring of 1978 and I was 18 years old. I’d been publishing papers on particle physics for a few years, and…"

"It's clear that we can go further than the quantum mechanics that I've known for the last fifty years."

"I had a very selfish reason for building Mathematica. I wanted to use it myself, a bit like Galileo got to use his te…"

"It's always seemed like a big mystery how nature, seemingly so effortlessly, manages to produce so much that seems to…"

"Could it be that some place out there in the computational universe, we might find our physical universe?"

"I'm committed to seeing this project done. To see if within this decade we can finally hold in our hands the rule for…"

"I think Computation is destined to be the defining idea of our future."

"Can we use programs instead of equations to make models of the world? ...[I]n the beginning of the 1980s ...I did a b…"

"Cellular automata are discrete dynamical systems with simple construction but complex self-organizing behaviour. Evid…"