Viewpoints

Electron Model Captured by Atom Pair

Electron Model Captured by Atom Pair

February 23, 2015

Adam Kaufman and Cindy Regal

A simple system consisting of a pair of atoms in a two-site “minicrystal” is able to reproduce the physics of a widely used model of electrons in a solid.

History is Written by the Survivors

History is Written by the Survivors

February 17, 2015

Hanna Salman

A new approach is able to quantify the environmental effects on an evolving organism by analyzing just a small number of surviving individuals.

Making Waves with DNA

Making Waves with DNA

February 9, 2015

Irving R. Epstein

Strands of DNA can be used to generate waves of chemical reactions with programmable shape and velocity.

Frequency Comb Produces an Entangled Web

Frequency Comb Produces an Entangled Web

February 2, 2015

Maria Chekhova

Researchers characterize the multiple ways of entanglement that exist between different frequency bands in a down-converted frequency comb.

Synopses

Heat-Carrying Dark Matter in Sun

Heat-Carrying Dark Matter in Sun

February 26, 2015

The presence of a certain type of dark matter in the Sun’s core may solve discrepancies between standard solar models and observations.

A Casimir Effect Caused by Gravity

A Casimir Effect Caused by Gravity

February 25, 2015

Evidence that gravitational waves induce an attractive force between two closely spaced mirrors could confirm gravity’s quantum nature.

When is Biology Quantum?

When is Biology Quantum?

February 24, 2015

A new formalism determines whether quantum-mechanical effects are necessary for photoactivated biological processes to occur.

Particle Weighing in the Early Universe

Particle Weighing in the Early Universe

February 19, 2015

The spectrum of a distant quasar reveals no sign of changes in the mass ratio of the proton and the electron over 12 billion years, constraining dark energy theories.

Focus

A Detector to Track Antineutrinos

A Detector to Track Antineutrinos

February 20, 2015

A proposed detector for low energy antineutrinos would reveal the particles’ trajectories, potentially allowing more detailed studies of Earth’s radioactivity and of nuclear reactors.

Laser Filaments Go through Phase Transition

Laser Filaments Go through Phase Transition

February 13, 2015

A powerful laser beam separates into many smaller filaments that undergo a phase transition similar to fluid percolating through a porous material.

Notes from the Editors

Notes from the Editors: Highlights of the Year

Notes from the Editors: Highlights of the Year

December 22, 2014

A look back on our favorite stories from 2014.

Announcements

APS March Meeting 2015 – San Antonio

Join the Physics editors and scientist Sharon Glotzer for her talk on building robot-like machines with colloidal particles.


Celebrating the 2015 International Year of Light

Physics revisits six specific advances in the science and technology of light that were reported in the APS journals.


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