Recent content by Bearded One

Larry Niven's Puppeteers sure had a problem with it.

NASA has always allocated a small part of their budget to oddball projects. Just in case...

Quantum mechanics implies that we cannot know the eventual outcome but relativity implies that the outcome has already happened. So, to us it's indeterminate but to the Universe at large the uncertainties have already been resolved and the outcome is now static. We just can't observe it. Our...

Photons can only move at c. When light propagates through a medium it is being absorbed and re-emitted numerous times. The frequency at which that occurs depends on the frequency of the light. That absorption and re-emission slows down the propagation of light through a medium. The speed of the...