When you start down a path of explaining the physical universe, you eventually find yourself at the Big Bang and the singularity, the cosmological event that supposedly started our Universe. Now, it goes without saying that scientific evidence is pretty much irrefutable on this: there was a Big Bang and
While the idea of meaningful space travel may not require truly long distances (such as from Earth to the Moon, where meaningful might involve a Moon-based colony), it largely does. Even Earth to Mars would require about 21 months of travel for a round-trip. Imagine, then, the idea of traveling
I started thinking the other day about how we have been trying to model consciousness: physical. Researchers have long been trying to build a physical computer which mimics the scale of the human brain. The basic thought is that the architecture of the brain, the number of neurons and synapses,