Did ‘Anti-Universe’ Exist Before The Big Bang?

A new theory says that Big Bang was a starting point of an anti-universe, a mirror image of the present universe.  In anti-universe, time flows in the opposite direction and antimatter dominates.  The Big Bang cosmology describes the history and...

Light Act As A Magnet In A New Quantum Simulator

Scientists propose a laser-based device to better understand several quantum systems.  They discovered that photons can act like magnetic dipoles at absolute zero temperature, following the laws of quantum physics.  In 1982, a visionary theoretical...