Issues

Electrical conductance measurements reveal what may be massless, chargeless, and spinless quasiparticles of zero energy.

A worldwide assemby of proxy paleothermometers has addressed the disputed role of greenhouse gases in periodic deglaciations.

Researchers twist sound, testing a fundamental law of the quantization of orbital angular momentum.

Two new studies revise key parameters in radiometric dating.

The sensors can “smell” the difference between similar molecules.

Although some countries are, like the US, struggling with funding, they are forging ahead with fusion—especially in Asia.

In cutting the wood fuel requirement in half, the stove also reduces Darfuri women’s exposure to violence.

Publishers tout actions they have taken to increase public access to their journals, but libraries complain about mounting subscription costs.

Charting the movement of tectonic plates or the evolution of a dynamo ultimately relies on the behavior of often imperfect mineral grains in Earth’s magnetic field.

Inspired by new results in cosmology and astrophysics, undergraduates are increasingly eager to learn about general relativity. A number of innovative textbooks make it easier than ever before to satisfy that demand.

Through manifold partnerships, the Physics Resources Center at the American Institute of Physics serves scientific societies,the public, and individuals, including researchers, students, journalists, and administrators.

String theory relates gravity to the physics of a novel phase of matter observed above the superconducting transition temperature.