I learned in October 2022’s Breakthrough that the spikes of stars in high-power photos are called diffraction spikes. Why do they appear as two crosses at 45 degrees to each other? The diffraction ...
Scientists have proposed a surprising new way to detect gravitational waves—by observing how they change the light emitted by ...
(Aitor Diago/Moment/Getty Images) For the first time, physicists have observed that 'holes' in light can move faster than the ...
Two of the forefathers of quantum theory, Albert Einstein and Niels Bohr, had a famous argument over whether light is a wave ...
A team of physicists has done something that sounds impossible: they filmed points of absolute darkness racing through a beam ...
Light can carry angular momentum in two distinct ways. One comes from polarization, which describes how the electric field ...
A new study, published in Physical Review Letters, reports that scientists have successfully imaged the formation of ...