Let’s assume you have an alarm at home like the one displayed above. In order to silence it, you have to hit the bull’s eye with the beam of a laser pointer. While this is an easy task with a red ...

Muons are unstable subatomic particles that spontaneously and rapidly transform into other particles via a process known as ...

A beam of light can only be seen when it hits matter particles and is scattered or reflected by them. In a vacuum, however, it is invisible. Physicists at the University of Bonn, Germany, have now ...