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Monday, June 5, 2023

This Week in Physics — A New Science for Describing Unhealthy Online Environments

 

This Week in Physics Magazine — June 5, 2023

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A New Science for Describing Unhealthy Online Environments

Elisabeth Wilhelm – June 5, 2023

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.

Research News

Humans Help Computers Spot Bursts from Space

June 1, 2023

Citizen scientists combed through radio astronomy observations to identify new sources of transient emission that computer algorithms overlooked.

Focus

Environmental Noise Makes a Sensor More Sensitive

June 2, 2023

By exploiting a phenomenon called stochastic resonance, sensors can perform better in a noisy environment than in a noise-free setting.

synopsis

Another Way for Black Holes to Evaporate

June 2, 2023

The gravitational fields of black holes and other compact objects are strong enough to wrest pairs of particles and antiparticles out of the vacuum and into existence, causing the objects to decay.

synopsis

A Textbook Dirac Semimetal

June 1, 2023

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.

synopsis

Bond Density Not Strength Controls Polymer Stickiness

May 31, 2023

Experiments show that the sticky behavior of so-called associative polymers is controlled by the density of bonding structures, contradicting theoretical predictions.



 

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