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Ultrasound-activated nanoparticles shine a light deep within living tissues

Diagram showing the locations of the ultrasound applied to the mouse

Memory device breaks high-temperature performance record

New memristor works at temperatures above 700 °C thanks to a bottom electrode made from graphene

Image showing the memristor chip against a background of a volcano spewing lava. There's a planetary rover in the foreground.

Tiny knotted fibre leaps into the air like a springtail bug

The fibre robot could find applications in agriculture and reforestation

Research headlines

AI could help human scientists pick promising research topics

Large language models flag up novel combinations of concepts in materials science

An AI-generated knowledge network of technical terms. It looks like a mostly green inkblot splatter, with purple edges (representing less well-connected terms) and yellow and red splodges (representing better-connected terms) in the interior. Some labels are visible. For example, "mechanical property" and "particle size" are in the well-connected interior, while terms such as "peierls stress" and "dynamic recrystallization" are out on the edges.

Darkness can travel faster than light

Discovery of superluminal correlations within 2D hexagonal boron nitride could advance super-resolution electron microscopy

Conceptual illustration showing a glowing pool dotted with blue and orange vortices

Bat-inspired drone can navigate through dense fog and dodge obstacles

New low-power robot works using echolocation and could find applications in search and rescue missions in difficult-to-access spaces

Memristive synapses could reduce AI energy consumption

Hafnium-oxide based nanomaterial mimics the mechanisms of the human brain

Want to make a peptide material go from soft to stiff? Just add water

Discovery could facilitate the large-scale fabrication of materials that adapt to changing conditions

A 2x2 grid of diagrams. One column is labelled "high humidity" and the other is labelled "low humidity" The top row contains ball-and-stick chemical models, while the bottom row contains a more simplified, structural view. In both cases, the high humidity column has a hexagonal ordering, whereas the low humidity column shows a layered structure.

‘Nano-aquariums’ deliver atomic-resolution imaging

Transmission electron microscopy probes solid–liquid interfaces

Illustration of the atomic structure of graphene

Videos

Eco chic: clothing made from trees, inspired by spiders

Innovation in diamond applications from Element Six

Bristol print innovators make a strong impression

Researchers at the Centre for Print Research

Physics World Careers

The 2026 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.

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The dark heart of the lithium-ion battery revolution

James Dacey reviews The Elements of Power: a Story of War, Technology and the Dirtiest Supply Chain on Earth by Nicolas Niarchos

Dozens of mine workers on a hillside in normal clothing, no protective gear

Magnetic microrobot swarm moves objects with water

Microrobots harness fluidic torque to move millimetre-sized objects without physical contact

Diamond films cool down electronics precisely where needed

Patterned diamond films could extend the lifespan of electronic devices by removing unwanted heat

Extracting entropy information from quantum dots

New work could help optimize quantum memories and information processing

Rechargeable liquid solar battery stores sunlight in molecules

A new bio-inspired material has a record-breaking energy density and outperforms lithium-ion batteries

Superfluid plasmon appears in a two-dimensional superconductor

New finding could advance our understanding of high-temperature superconductors

Self-healing materials could make automobile parts last over 100 years

Scientists have created a material with the ability to repeatedly and autonomously repair cracks

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