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Tiny laser delivers high-quality, narrowband light for metrology

Sound waves control droplet movement in microfluidic processor

Device could be transformative in biology, chemistry and lab-on-a-chip applications

Development and application of a 3-electrode setup for the operando detection of side reactions in Li-Ion batteries

Discover an easy to implement cell setup that enables the quantitative and qualitative analysis of parasitic side reactions in lithium-ion batteries

Laboratory-scale three-dimensional X-ray diffraction makes its debut

New device could make the technology accessible outside national and international synchrotron facilities

Research headlines

Superconducting microwires detect high-energy particles

New detector offers temporal and spatial precision

New coronagraph pushes exoplanet discovery to the quantum limit

Technique could also give optical communications a boost

Photo of two tips made of diamond in close contact

Evidence for a superconducting gap emerges in hydrogen sulphides

Finding confirms that electron pairing in these high-temperature, high-pressure superconductors is mediated by phonons

Diagram showing what happens when a neutron beam hits scored lines on a grating pattern. Two lines of dots coming out of the grating pattern (representing the Airy beam) at left follow a curved path and create triangular areas on the detector at right.

Neutron Airy beams make their debut

Curved beams could be used in fundamental quantum studies and advanced imaging techniques

Neutrons differentiate between real and fake antique coins

Tomography and small-angle scattering reveal tell-tale corrosion

A photo of a portable seismometer outdoors with trees and grass in the background

Geophysicists pinpoint location of Yellowstone magma reservoir

Seismic wave measurements suggest the supervolcano beneath the popular national park is unlikely to erupt any time soon

Instrumentation & Vacuum Briefing

Take a look inside our latest free-to-read Instrumentation and Vacuum Briefing. Covering the latest research updates, features and products, this issue highlights the role that “behind-the-scenes” technologies play in solving problems both in the lab and in the wider world outside it.

Explore more in instrumentation and measurement

Shengxi Huang: how defects can boost 2D materials as single-photon emitters

Shengxi Huang explains why Picoquant’s instruments are helping her to develop 2D materials that are highly efficient sources of single photons

Photo of a metre-long measure made from marble and embedded in the stone wall of a building in Paris. A small plaque to the left of the metre is inscribed with the words "Metre Etalon" and describes its history in French.

The evolution of the metre: How a product of the French Revolution became a mainstay of worldwide scientific collaboration

Physics World corresponding editor Isabelle Dumé reports from a Paris symposium celebrating the 150th anniversary of the Metre Convention

Electrolysis workstation incorporates mass spectrometry to accelerate carbon-dioxide reduction research

Scribner's 670 Electrolysis Workstation is used to develop systems that convert electrical energy into fuels and chemical feedstocks

Quantum twisting microscope measures phasons in cryogenic graphene

Cool tool creates and characterizes exotic phonons in twisted graphene

Superconducting device delivers ultrafast changes in magnetic field

System could provide important insights into the dynamics of magnetic materials

Claudio Emma and Brendan O’Shea examining experimental apparatus at FACET-II

Ultrashort electron beam sets new power record

Femtosecond-long, petawatt-peak power beam could be used to probe previously inaccessible phenomena in materials science, quantum physics and even astrophysics

Isolated pockets of audible sound are created using metasurfaces

"Audible enclaves" could transform how we perceive sound

An artist's representation of the new Brillouin microscopy approach that allows entire light-sheets to interact with 3D biological samples. The artwork features neon-green sheets of light and zigzag oscillations (representing waves) intersecting purple blobs decorated with cartoon-style vibration lines (representing phonons), all against a blue background

Brillouin microscopy speeds up by a factor of 1000

The technique can now be used to image viscoelastic properties of biological samples much more quickly and safely, at high resolution

3D model of the High Energy Photon Source (HEPS) synchrotron building

China’s High Energy Photon Source prepares to light up the world

Robert P Crease visits what is set to be the most advanced fourth-generation synchrotron-light source

Magnetically launched atoms sense motion

New method in atom interferometry is used for inertial sensing

Earth’s core could contain lots of primordial helium, experiments suggest

Noble gas forms compounds with iron at extremely high pressures

A pistol is fired to test the acoustics at the Royal Festival Hall in London in 1951

How physics raised the roof: the people and places that drove the science of acoustics

Sharon Ann Holgate reviews Pistols in St Paul’s: Science, Music and Architecture in the Twentieth Century by Fiona Smyth

Frequency-comb detection of gas molecules achieves parts-per-trillion sensitivity

New sensor offers extreme broadband coverage in the mid-infrared

Heavy duty: The new transfer arm. (Courtesy: UHV Design)

New transfer arm moves heavier samples in vacuum

Stiffer, more robust device developed in response to customer demand, says UHV Design engineering director Jonty Eyres

Inverse design configures magnon-based signal processor

Notch filter and demultiplexer created in thin magnetic film using current-loop array

Thermometer uses Rydberg atoms to make calibration-free measurements

New technique uses black-body radiation to make direct measurements with low uncertainty

Two images. The one at left is a close-up of an electronic device similar to the one used in the experiment, showing light orange circuit elements against a grey background. The second image is a photo taken from underneath a dilution refrigerator

New candidate emerges for a universal quantum electrical standard

Approach based on the quantum anomalous Hall effect does away with the need for applied magnetic fields

Nanocrystals measure tiny forces on tiny length scales

One technique is used to observe worms munching on bacteria

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Education and outreach | Conference The International Conference on Interdisciplinary Innovations: Arts, Education, Business, and Technology (ICAEBT) 19—20 June 2025 | Baku, Azerbaijan
Instrumentation and measurement | Conference 14th International Beam Instrumentation Conference 7—11 September 2025 | Liverpool, UK
Instrumentation and measurement | Workshop 30th International Workshop on “Single Molecule Spectroscopy and Super-resolution Microscopy” 23—26 September 2025 | Berlin, Germany

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