How much can our four deepest theories
of the world explain?
- The Theory of Everything
Our best explanations are getting deeper and broader.
- Shadows
How we know that there are parallel universes.
- Problem-Solving
Conjecture, criticism and refutation, but not induction.
- Criteria for Reality
If it kicks back, it's real.
- Virtual Reality
Not just a new technology, but a fundamental phenomenon of
nature.
- Universality and the Limits of Computation
The existence of universal computers reveals a new law of
physics
- A Conversation About Justification
(or "David and the Crypto-Inductivist")
- The Significance of Life
Life and thought create the largest-scale structure in the
multiverse
- Quantum Computers
New modes of computation and new insights into physics
- The Nature of Mathematics
Mathematical knowledge is not certain but rests entirely on
science
- Time, the First Quantum Concept
Other times are special cases of other universes
- Time Travel
Quantum physics resolves the paradoxes.
- The Four Strands
Our best theories are used pragmatically, yet, perversely,
still disbelieved
- The Ends of the Universe
Though the universe has no purpose, we can give it one