Scientists report a new method that achieves for the first time valley polarization in centrosymmetric bulk materials in a non-material-specific way. This 'universal technique' may have major ...

Absolutely empty -- that is how most of us envision the vacuum. Yet, in reality, it is filled with an energetic flickering: the quantum fluctuations. Experts are currently preparing a laser experiment ...

In the summer of 2019, The Desert Sun’s opinion pages took a “vacation” from national politics. For the month of July, we took a break from all the machinations of Washington and put the focus back ...

Here’s what you’ll learn when you read this story: In quantum field theory, a vacuum is never completely empty. Electromagnetic particles like electrons and positrons are always passing through in ...