Recent Articles
X-Ray Spectroscopy of a Lone Atom
A technique that combines x-ray spectroscopy with scanning tunneling microscopy has delivered x-ray spectra of single atoms. Read More »
Grazing Model Gets an Update
Model improvements uncover more information on the link between grazing animals and the formation of spiral vegetation patterns in arid climates. Read More »
A New Science for Describing Unhealthy Online Environments
A theory derived from nonlinear fluid dynamics is able to reproduce the formation dynamics of online hate communities—offering insights that could inform public policies. Read More »
Another Way for Black Holes to Evaporate
The gravitational fields of black holes and other compact objects are strong enough that they might wrest massless particles out of the vacuum and into existence, causing the objects to decay. Read More »
Environmental Noise Makes a Sensor More Sensitive
By exploiting a phenomenon called stochastic resonance, sensors can perform better in a noisy environment than in a noise-free setting. Read More »
Humans Help Computers Spot Bursts from Space
Citizen scientists combed through radio astronomy observations to identify new sources of transient emission that computer algorithms overlooked. Read More »
A Textbook Dirac Semimetal
Researchers have synthesized a chalcogenide compound that has the electronic structure of an ideal Dirac semimetal—which could facilitate the study of this exotic class of materials. Read More »
Bond Density Not Strength Controls Polymer Stickiness
Experiments show that the sticky behavior of so-called associative polymers is controlled by the density of bonding structures, contradicting theoretical predictions. Read More »
Squeezable Metal Offers a Greener Approach to Refrigeration
A system built around a metal that gains and loses heat when compressed could lead the way to the commercialization of chemical-free refrigeration technology. Read More »
