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Image showing a model city with various data transmission use cases highlighted. Base stations used to cover rural areas use sub-6G frequencies. Various base stations used in ultra-dense areas use microwave wavelengths. Satellite and vehicle-to-everything communications use millimetre wavelength. Holographic and remote surgery uses sub-THz to THz wavelengths. A set of circuits and signals at the bottom of the diagram shows how signals become noisier with conversion from one band to another.

Broadband wireless gets even broader thanks to integrated transmitter

Super sticky underwater hydrogels designed using data mining and AI

Researchers combine machine learning with data mining methods to create a record-breaking underwater adhesive hydrogel

Highest-resolution images ever taken of a single atom reveal new kind of vibrations

Images are the first experimental evidence of long-predicted low-energy atomic vibrations called moiré phasons in twisted 2D materials

Research headlines

Electrochemical loading boosts deuterium fusion in a palladium target

Benchtop accelerator links electrochemistry to fusion science

Artist’s impression of the photophoretic flyers in the mesosphere

Nano-engineered flyers could soon explore Earth’s mesosphere

Devices are levitated by sunlight alone

Crystals emitting deep-blue light. A scale bar at the bottom indicates that the crystals are millimetre-scale

Deep-blue LEDs get a super-bright, non-toxic boost

A new hybrid copper iodide semiconductor converts nearly all the photoenergy it receives into blue light

Series of diagrams showing different stages of graphite and diamond as they crystallize. A left to right arrow labelled "nucleation pathways" indicates the direction of progress of crystallization through the series. Graphite, shown in red, gradually forms stacks of disorderly rings. Diamond, shown in blue, gradually forms larger and larger regular crystals

Graphite ‘hijacks’ the journey from molten carbon to diamond

Machine-learning-based molecular simulations reveal unexpected crystallization pathway

Photo showing a small black chip of material sitting on a copper backing in a container

Physicists get dark excitons under control

New capability could make it easier to generate single pairs of entangled photons on demand using semiconductor quantum dots

Jiong Lu and Huihui Lin from National University of Singapore

Amorphous carbon membrane creates precision proton beams for cancer therapy

Ultraclean monolayer amorphous carbon can be used to generate high-current, low-scattering proton treatment beams

Videos

Eco chic: clothing made from trees, inspired by spiders

Innovation in diamond applications from Element Six

Researchers at the Centre for Print Research

Bristol print innovators make a strong impression

Physics World Careers

The 2025 edition of Physics World Careers is packed full of advice for early-career scientists. Including a range of valuable advice, informative case studies and recruiter profiles, it demonstrates the variety of jobs that use a physics degree.

Explore more in materials science

Diagram of the metalaser showing different emission profiles it can produce

New metalaser is a laser researcher’s dream

Nanostructured lasing system creates arbitrarily-shaped wavefronts, making it possible to control laser emission at will

Materials
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Pushing the energy-lifetime frontier of Li-ion batteries: optimizing Ni-rich, Co-free cathode materials to maximize energy density and cycle life

Join the audience for a live webinar at 3 p.m. BST/10 a.m. EDT on 17 September 2025

To learn about state-of-the-art cathode materials and how our latest understanding of material science continues to allow the battery industry to push the energy-lifetime limit of the battery space

A palette of colours including blues, greens, reds, yellow, orange, pink, purple and various shades of black, grey and white. It looks a little like a Mondrian artwork

Stacked perovskite photodetector outperforms conventional silicon image sensors

New device could lead to sensitive, artefact-free imaging with improved colour fidelity

Composite image showing a carbon nanotube in the background, with graphs of the experiment's pulses and an electron-hole pair superimposed on top

Scientists image excitons in carbon nanotubes for the first time

New ultrafast optical microscope could aid the development of advanced optoelectronic devices and quantum technologies based on these nanomaterials

A rainbow of colours exiting a circular object

Acoustic rainbows emerge from novel sound-scattering structure

New architecture could be used to create tailored devices that emit or receive only certain frequencies of sound

Dongqing Lin and Magnus Jonsson in the laboratory

Switchable metasurfaces deliver stronger light control

Optimizing the geometric parameters of polymer nanoantenna arrays significantly improves the performance of optical metasurfaces

Two diagrams, one showing a "pie slice" cross-section of the Earth with the core on the inside and the lower mantle, upper mantle and thin crust above it, and the other showing a zoomed-in image of an area just above the lower mantle-core boundary. The zoomed-in image contains two scenarios. The first scenario shows the post-perovskite randomly oriented and labelled "no mantle flow" and "no discontinuity". The second shows the post-perovskite aligned and is labelled "mantle flow" and "D" discontinuity".

Mysterious seismic wave speed-up deep within Earth’s mantle explained at last

A phase change in post-perovskite materials at the so-called D” discontinuity is also evidence for long-predicted slow, convective flows in the mantle itself

Microscope image of a centrosymmetric crystal

Symmetric crystals can absorb light asymmetrically

Counterintuitive discovery could help develop new technologies that control light

Materials
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Nanostructured plastics deliver energy innovation

US company Peak Nano has engineered thin films of layered polymers to enhance the performance and extend the lifetime of high-voltage capacitors for critical electrical infrastruct...

Bright light emitted from an orange disc

Soliton structure protects superfluorescence

New work could help in the development of materials that host exotic coherent quantum states under ambient conditions

An orange-coloured worm on the ground with a trail of silvery slime coming out of it

Worm slime could inspire recyclable polymer design

Previously unknown protein-based feature in slime allows it to transform from liquid to fibre and back again

microplastics researcher Sebastian Primpke

Helgoland researchers seek microplastics and microfibres in the sea

Matin Durrani takes a tour of the Biological Institute Helgoland

Materials
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