Scientists find upper limit for the speed of sound

A research collaboration between Queen Mary University of London, the University of Cambridge and the Institute for High Pressure Physics in Troitsk has discovered the fastest possible speed of sound.

Aliens may be more like us than we think

Hollywood films and science fiction literature fuel the belief that aliens are other-worldly, monster-like beings, who are very different to humans. But new research suggests that we could have more in common with our extra-terrestrial ...

The photon ring: A black hole ready for its close-up

When scientists unveiled humanity's historic first image of a black hole in 2019—depicting a dark core encircled by a fiery aura of material falling toward it—they believed even richer imagery and insights were waiting ...

Single-atom transistor is 'perfect'

In a remarkable feat of micro-engineering, UNSW physicists have created a working transistor consisting of a single atom placed precisely in a silicon crystal.

A 2-dimensional electron liquid solidifies in a magnetic field

Physicists from the Georgia Institute of Technology have developed a theory that describes, in a unified manner, the coexistence of liquid and pinned solid phases of electrons in two dimensions under the influence of a magnetic ...

Light from galaxy clusters confirms theory of relativity

All observations in astronomy are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations in astronomy ...

page 1 from 10