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FEATURE

Arts & Culture: Turbulence in The Starry Night

Researchers analyzing Vincent van Gogh’s The Starry Night show that its swirling structures have turbulent properties matching those observed in the molecular clouds that give birth to stars. Read More »

Fluid Dynamics

Synopsis: Drops Bounce Inside Liquids

Oil drops falling through a layered liquid with ethanol at the top and water at the bottom repeatedly jump inside the fluid. Read More »

Geophysics

Synopsis: Noise-Induced Transitions in Earth’s Climate

Calculations show that small fluctuations in solar radiation could cause a transition between a warm Earth and an icy Earth. Read More »

Optics

Synopsis: Quantum Optomechanics in a Liquid

Quantum optomechanical effects have been observed for the first time using a liquid—superfluid helium—confined in an optical cavity. Read More »

Materials Science

Focus: More Voltage from Bending Silicone Rubber

The voltage generated by bending a flexible material is usually small, but a new trick can dramatically increase the effect. Read More »

Particles and Fields

Synopsis: Explaining Light Ion Production in High-Energy Collisions

Pions could catalyze reactions between protons and neutrons, allowing the stable production of deuterons in high-energy ion-ion collisions. Read More »

Acoustics

Viewpoint: Phonons Hum a Magnetochiral Tune

A chiral material exposed to a magnetic field allows phonons to travel faster in one direction than another, an effect that might be used to create an acoustic diode. Read More »

Particles and Fields

Synopsis: Ultrafast Oscilloscope for Ultrashort Electron Beam

Driving an electron beam into a helical pattern with terahertz electromagnetic pulses allows researchers to measure the beam’s complete shape with femtosecond resolution. Read More »

FEATURE

Explaining Bursts of Attention on Social Media

Network theorists pinpoint the factors that help drive spiky Twitter activity during major events like the discovery of gravitational waves. Read More »

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