Recent Articles

Astrophysics

Synopsis: Emptiness Constrains the Universe

The distribution of galaxies around regions of relatively empty space can be used to constrain cosmological parameters. Read More »

Soft Matter

Synopsis: Hidden Forces in a Pile of Sand

A map of the contact forces between grains in a sand pile provides a first glimpse of how force is distributed in a 3D granular system. Read More »

Mesoscopics

Synopsis: Tickled by a Wigner Crystal

The lattice symmetry of a quantum Wigner crystal is deduced from its effect on quantized states in a nearby sheet of electrons. Read More »

Optics

Viewpoint: Ionization Delays That Stand Out

Attosecond-resolution experiments have determined the delay in an electron’s emission from a molecule after being ionized with light. Read More »

Atomic and Molecular Physics

Focus: Giant Molecule Made from Two Atoms

Experiments confirm the existence of 1-micrometer-sized molecules made of two cesium atoms by showing that their binding energies agree with predictions.   Read More »

Particles and Fields

Synopsis: Pentaquark Discovery Confirmed

New results from the LHCb experiment confirm the 2015 discovery that quarks can combine into groups of five. Read More »

Condensed Matter Physics

Synopsis: World of Weyl Craft

Researchers provide new evidence for the existence of type-II Weyl semimetals, which would be both conducting and insulating in different spatial directions.  Read More »

Particles and Fields

Synopsis: Searching for Majorana Neutrinos

The KamLAND-Zen collaboration has run the most sensitive search to date for a radioactive decay that could reveal whether neutrinos are Majorana fermions. Read More »

Soft Matter

Viewpoint: How to Fracture a Fluid

High-speed imaging shows that fluids can break like brittle glass under the right conditions. Read More »

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