Understanding

Quantum physics uses complex numbers. Wavefunctions depend on them. But are they a part of physical reality? Imagine this: You are one goal up in the last seconds of the cup final when the other team kicks a curve ball that follows a parabolic curve toward your goal but bends Read more…

Is time travel possible? Travel To travel is to change your position with time. If I travel North at 50 mph then every hour my coordinates are 50 miles further North. But does it make sense to talk about changing time coordinates with time? We all travel at precisely 1 Read more…