Trick or Treat

You know, what with the recent passing of Halloween, I thought I’d try my hand at a little horror story-telling of my own. It is a chilling tale about a demon, passed down through the ages in hushed tone and bated breath. Few dare to become too invested, and even the most intrepid minds find their dreams being haunted by this eerie creature. Those that are feint of heart, be warned…

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The Arrow of Time

Last week I explored the idea of time irreversibility in the universe. Our laws of physics are invariant over a T-transformation; whatever a particle does is not affected by whether it is moving forwards or backwards in time. Yet why do we still see an obvious ‘arrow of time’ in real life?

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