Mysteries of physics: vacuum zero-point energy

Katarzyna Siewierska describes the energy contained by the vacuum in the universe, how it could be related to dark energy and what this energy has to do with the recent discovery of magnetism from empty space by Trinity physicists


Physics of an Empty Box

Imagine we took a box, removed all matter from it, cooled it to the lowest temperature possible to remove all heat and sealed it perfectly. It appears that we imagined a boring empty box with