Recent Articles

Focus

Temperature Affects Aging in Granular Materials

Experiments on a bed of plastic beads reveal a temperature-dependent stiffening over time, which appears to be related to molecular-scale deformations. Read More »

Special Feature

Podcast: The Sounds of Data

Sonification and other multisensorial approaches offer powerful tools to analyze data, help visually impaired researchers, communicate science, and create science-inspired art. Read More »

Research News

An Elusive Black Hole Comes into View

Observations of seven fast-moving stars at the center of a dense star cluster in the Milky Way reveal the presence of an intermediate-mass black hole, perhaps the most puzzling class of these dark objects. Read More »

synopsis

First Direct Detection of Electron Neutrinos at a Particle Collider

Electron neutrinos produced by proton–proton collisions at the LHC have been experimentally observed. Read More »

synopsis

Predictions for Small-Scale Turbulence

A statistical tool tests the long-held assumption that small-scale turbulence is isotropic. Read More »

synopsis

Dark Matter Could Bring Black Holes Together

Dark matter that interacts with itself could extract significant momentum from a binary supermassive black hole system, causing the black holes to merge. Read More »

Viewpoint

Nuclear Decay Detected in the Recoil of a Levitating Bead

A levitating microparticle is observed to recoil when a nucleus embedded in the particle decays—opening the door to future searches of invisible decay products. Read More »

Special Feature

Sensing a Nuclear Kick on a Speck of Dust

Scientists have detected the decay of radioactive nuclei by tracking the recoil of dust-sized spheres on which the nuclei were embedded. Read More »

Viewpoint

Gravity Alters the Dynamics of a Phase Transition

An experiment uncovers the role played by gravity in Ostwald ripening, a spontaneous thermodynamic process responsible for many effects such as the recrystallization of ice cream. Read More »

More Articles