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Synopsis

Simulations Reveal Quantum Tunneling Events in Glass

In a glass, the freedom of atoms to move by quantum tunneling depends on how fast the glass was initially formed. Read More »

Synopsis

Resolving Discrepancies in X-Ray Astronomy

New laboratory measurements of the x-ray emission of ionized iron could help correct spectral models of astrophysical objects. Read More »

Q&A

Sun’s Past Hidden in Tree Rings

Physicist Fusa Miyake measures isotope abundances in ancient tree rings to uncover solar eruptions from thousands of years ago. Read More »

Focus

New Data Reveal the Heavy Side of Cosmic Rays

Clean spectra for heavier cosmic rays measured on the International Space Station provide new opportunities to learn about the particles’ origins and about the interstellar medium. Read More »

Trend

Entering the Nickel Age of Superconductivity

After a 30-year quest, researchers found a nickel-based analog of copper oxide superconductors. The discovery motivates the search for other nickelates and should provide new insights into the origin of high-temperature superconductivity. Read More »

Viewpoint

Postponing Heat Death in Periodically Driven Systems

An exponential suppression of heating has been observed in a periodically driven optical lattice, opening up an opportunity to engineer new states of matter. Read More »

Synopsis

Picturing How Vertical Transistors Work

A new theory for vertical transistors provides visual representations of the voltages, currents, and electric potentials inside these advanced devices. Read More »

Viewpoint

Spin Current in an Antiferromagnet is Coherent

Experiments show that a spin current moves as a coherent evanescent spin wave through an antiferromagnet layer sandwiched between two ferromagnets. Read More »

Synopsis

Unjammed Emulsions Collapse to Liquids

An emulsion’s rigidity disappears when the droplets’ random thermal motion overcomes the confining pressure that binds them. Read More »

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