Abnormal versions of synchronization patterns known as “Arnold’s tongues” have been observed in a femtosecond fibre laser that generates oscillating light pulses. While these unconventional patterns ...

A new retinal stimulation technique called Oz enabled volunteers to see colours that lie beyond the natural range of human vision. Developed by researchers at UC Berkeley, Oz works by stimulating ...

Even more unexpectedly, I have been able to make tennis-ball towers consisting of layers of four balls (4 n + 1) and five ...

A quarter of a century after he started writing his “Critical Point” column, Robert P Crease reveals his underlying message ...

“At low temperatures, models of reactivity must include the effects of the permanent electric dipoles and quadrupole moments ...

Microscale brain sensor The tiny sensor enables thought control of external devices, even during intense motion. (Courtesy: W Hong Yeo) Brain–computer interfaces (BCIs) enable the flow of information ...

Analysing electrons: Installation of the inner electrode system of KATRIN's Main Spectrometer. (Courtesy: Markus Breig, KIT) Researchers from the Karlsruhe Tritium Neutrino experiment (KATRIN) have ...

A proposed experiment that would involve trapping atoms on a two-layered laser grid could be used to study the mechanism behind high-temperature superconductivity. Developed by physicists in Germany ...

Particle-accelerator study focuses on the r-process thought to be responsible for forming elements heavier than iron ...