Vortex rings, a mysterious and fascinating natural phenomenon, display breathtaking structures and behaviors in both air and electromagnetic waves. Imagine an air cannon that can shoot vortex rings, ...

Beam out: electrons in a magnetic field rotate at three different frequencies, according to new research carried out by Peter Schattschneider and colleagues. (Courtesy: iStockphoto/amtitus) The best ...

After four years of incredulity and not-so-gentle mocking, Bo Thide of the Swedish Institute of Space Physics and a team in Italy have finally proven that it's possible to simultaneously transmit ...

The researchers only required four tubes to stack and draw the Dirac vortex photonic crystal fibre, which was very reasonable for fabrication. The four silica tubes used in the process had the same ...