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Spying on volcanoes

Matthew Watson explains how drones are helping scientists to map and monitor active volcanoes – work that could save human lives

Fighting fire with fire

Stephen Ornes on the many open questions when it comes to the physics of wildfires

Local realism is dead, long live local realism? Exploring loopholes in Bell tests

Rebecca Holmes asks if there could still be loopholes in Bell tests allowing for the possibility local realism

Photo of a person's hands, backlit by a strong light, such that the outer layers of skin appear semi-translucent

Just beyond our fingertips

An optical glucose sensor would be a boon for millions of people with diabetes. So why hasn’t someone built one yet? Kate Bechtel discusses the factors standing in the way

3D microprinting with two-photon polymerization

3D printing goes micro

Ultrashort laser pulses could make it possible to manufacture micron-scale structures using additive manufacturing

The power of the blackboard

Philip Ball on why we physicists still love our blackboards

Skyrmions: a twisted future in data-storage technology

Magnetic skyrmions are both physically intriguing and technologically promising, explains Kirsten von Bergmann and André Kubetzka

Photo of graduate students Shahank Gowda and Muchen Xu sitting in a small boat with an outboard motor, in a harbour with palm trees and the masts of sailing vessels visible in the background

Smooth sailing

Superhydrophobic surfaces with the right microscopic structures could help reduce friction on ships, as CJ Kim explains

An artist's drawing of a diamond overlain with a semi-transparent pattern of 1’s and 0’s. A green laser-like beam enters one side of the diamond and a red beam of 1’s and 0’s comes out the other side. An inset drawing shows a ball-and-stick model of atoms that make up the structure of diamond with NV defects. Black carbon atoms in a lattice surround a single blue nitrogen atom

The cutting edge of quantum physics

Daniel Twitchen and Matthew Markham explain how diamonds could become a quantum physicist’s best friend

A visualization of a curved space–time “sea”

Simulating the universe: solving Einstein’s equations of general relativity in a cosmological setting

Computers are now so powerful that researchers have been able to solve Einstein’s equations of general relativity in a cosmological setting, as Tom Giblin, James Mertens and Glenn Starkman reveal

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features

Spying on volcanoes

Fighting fire with fire

Local realism is dead, long live local realism? Exploring loopholes in Bell tests

Just beyond our fingertips

3D printing goes micro

The power of the blackboard

Skyrmions: a twisted future in data-storage technology

Smooth sailing

The cutting edge of quantum physics

Simulating the universe: solving Einstein’s equations of general relativity in a cosmological setting

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