Physics
Roger Penrose On Why Consciousness Does Not Compute
The emperor of physics defends his controversial theory of mind.
A Theory of Consciousness Can Help Build a Theory of Everything
Neuroscience is weighing in on physics’ biggest questions.
The Origin of the Universe
Measuring tiny variations in the cosmic microwave background will enable major discoveries about the origin of the universe.
Can Many-Worlds Theory Rescue Us From Boltzmann Brains?
The idea that we can trust what we observe leads to the paradoxical conclusion that we can’t trust what we observe.
What This Drawing Taught Me About Four-Dimensional Spacetime
Stuck in his research, a cosmologist finds a hint in an intricate drawing.
The Fifth Force of Physics Is Hanging by a Thread
As scientists chase tantalizing hints of a new force, modern physics hangs in the balance.
A Brief History of the Grand Unified Theory of Physics
It’s the best of times or the worst of times in physics.