Recent Articles

Opinion

So, You Think You Discovered a New State of Matter?

Take a step back and double check; don’t jump to thinking that unexpected data indicate something new. Read More »

Research News

Lighting Up Heart Cells with Tiny Lasers

A new microscopy technique that uses micrometer-sized lasers can track beating-induced changes in a heart cell’s refractive index. Read More »

synopsis

How a Swirling Tail Helps Microbes Swim 

A microswimmer that rotates its body and tail in opposite directions can propel itself in elastic, non-Newtonian fluids. Read More »

Viewpoint

Finding Light in Dark Atomic Clouds

Researchers have prepared and manipulated subradiant states—in which collective effects slow down the decay of excited atoms—in a dense atomic cloud. Read More »

Video

Active Particles Crystalize

Under the right conditions, self-propelled particles collectively transition from a state of liquid-gas coexistence to one where the particles can crystalize, according to simulations. Read More »

Research News

Black Holes Studied as a Population

The latest dataset from gravitational-wave observatories has enough events to allow researchers to study properties of the whole population of black holes. Read More »

synopsis

Keeping Time on Entropy’s Dime

An experiment with a nanoscale clock verifies that a clock’s entropy per tick increases as the clock is made more precise. Read More »

synopsis

Cloaking and Shielding Objects in a Fluid Flow

By injecting momentum into the fluid around an object, researchers can freely switch between obscuring the object’s presence and canceling hydrodynamic forces on it. Read More »

synopsis

Do Merging Dwarf Galaxies Explain a Peculiar Gravitational-Wave Detection?   

The hard-to-explain masses of two coalescing black holes could be accounted for if they were the central black holes in two distant, tiny galaxies that merged. Read More »

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