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Physics World

@physicsworld.bsky.social
10K followers 1.3K following 965 posts

News, views and information for the global physics community. physicsworld.com

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Physics World @physicsworld.bsky.social · 3h
A 300 TeV photon from a powerful gamma-ray burst should never have reached the Earth. Scientists have examined two hypothetical effects - axion-like particles and a violation of Lorentz invariance - that could allow such a photon to survive. 🧪⚛️ physicsworld.com/a/scientists...
physicsworld.com
Scientists explain how a 300 TeV photon could reach Earth – Physics World
A mysterious signal from a powerful gamma-ray burst may reveal how exotic particles and altered physics could let extreme radiation cross the universe
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Physics World @physicsworld.bsky.social · 4h
An energy-efficient DNA computer that calculates as it settles into thermal equilibrium has been unveiled 🧪⚛️ ow.ly/BRf050ZSXQf
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DNA computer settles in thermodynamic equilibrium – Physics World
Low-energy system is simple and reusable
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Physics World @physicsworld.bsky.social · 29/09/2026
A newly launched radiotherapy system is fast enough to deliver stereotactic treatments in a single breath-hold. 🧪⚛️ physicsworld.com/a/siemens-he...
physicsworld.com
Siemens Healthineers unveils ultrafast Accela radiotherapy system – Physics World
Launched at ASTRO 2026, the high-speed Accela platform can deliver stereotactic treatments in a single breath-hold
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Physics World @physicsworld.bsky.social · 29/09/2026
A novel solar cell designed to work deep underwater could be used to power future marine biology sensors, deep-sea research cameras and more. 🧪⚛️ physicsworld.com/a/polymer-tu...
physicsworld.com
Polymer-tuned perovskite creates high-efficiency underwater solar cells – Physics World
A novel crystallization approach boosts submerged solar cells to unprecedented stability, enabling effective conversion of filtered submarine light into sustainable underwater power
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Physics World @physicsworld.bsky.social · 29/09/2026
Did space weather delay the 10.05 pm train from Exeter to Newton Abbot on 18 October 1841? 🧪⚛️🔭 physicsworld.com/a/did-space-...
physicsworld.com
Did space weather delay a train in 1841? – Physics World
It would have been the earliest example of space weather impacting human technology, but an international team of researchers found a slight problem
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Physics World @physicsworld.bsky.social · 28/09/2026
Researchers have now found a new way to improve weather forecasts - by incorporating satellite measurements of water vapour isotopes. 🧪⚛️ physicsworld.com/a/heavy-wate...
physicsworld.com
Heavy water isotopes make weather predictions more accurate – Physics World
Incorporating satellite measurements of water vapour isotopes into weather models can improve weather forecasts, particularly when predicting heavy rainfall
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Physics World @physicsworld.bsky.social · 25/09/2026
Experiments have confirmed the two foundational postulates of Richard Feynman’s path-integral approach to quantum mechanics for the first time 🧪⚛️ ow.ly/CfMu50ZRkZQ
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Single photon measurements confirm Richard Feynman's vision of quantum mechanics – Physics World
Foundational postulates of the path-integral formulation observed in the lab
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Physics World @physicsworld.bsky.social · 24/09/2026
Nick Zacharopoulos explains how he found himself doing a PhD in medical physics while running a family business that makes radiotherapy equipment 🧪⚛️ ow.ly/uNrQ50ZQYib
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Pathways to commercial and academic success in medical physics – Physics World
Nick Zacharopoulos, CEO of Aktina Medical, is our podcast guest
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Physics World @physicsworld.bsky.social · 24/09/2026
Physicists have combined quantum mechanics with relativity to understand what happens when a photon is "chopped in half" 🧪⚛️ ow.ly/W6ws50ZQWZk
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What can cutting a photon in half tell us about causality and local equivalence? – Physics World
Calculations identify complicated consequences of removing a mirror
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Physics World @physicsworld.bsky.social · 23/09/2026
NASA’s Nancy Grace Roman Space Telescope will give astronomers a facility combining a Hubble-like sharpness with a panoramic view of the infrared sky. But as Richard de Grijs explains, the telescope will also transform the practice of astronomy itself. 🧪⚛️ physicsworld.com/a/how-the-na...
physicsworld.com
How the Nancy Grace Roman Space Telescope will turn the sky into a dataset – Physics World
Richard de Grijs looks at how the Roman Space Telescope will change astronomy forever
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Physics World @physicsworld.bsky.social · 23/09/2026
Having a new tooth plumbed in or a crown installed? Robert P Crease reveals some of the fascinating materials science he discovered on a trip to his New York dentist's. 🧪⚛️ physicsworld.com/a/get-your-t...
physicsworld.com
Get your teeth into the cutting edge of materials science – Physics World
Robert P Crease discovers the true extent of materials science in a dental lab
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Physics World @physicsworld.bsky.social · 23/09/2026
A miniature OCT probe can navigate and image smaller arteries than previously possible. It could even enable imaging of the cerebrovasculature - the network of tiny vessels within the brain. 🧪⚛️ physicsworld.com/a/miniature-...
physicsworld.com
Miniature microprobe enables internal imaging of smaller blood vessels than ever before – Physics World
A microprobe can navigate and image smaller arteries than previously possible, helping diagnose and plan treatments for vascular diseases
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Physics World @physicsworld.bsky.social · 22/09/2026
Nanoparticles formed directly in dye-polluted water soak up more than 90% of the dyes as they're made. These “dirty” nanoparticles then captured two entirely different dyes afterwards, offering a more efficient, simpler and greener way to clean up wastewater. 🧪⚛️ physicsworld.com/a/dirty-magn...
physicsworld.com
Dirty magnetite nanoparticles keep cleaning up dyes – Physics World
Synthesizing magnetite nanoparticles directly in dye-polluted water gives them new surface chemistry that lets them adsorb different pollutants
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Physics World @physicsworld.bsky.social · 21/09/2026
A quantum test of the weak equivalence principle performed on the China Space Station, along with measurements of an object’s quantum phase in freefall in the lab, shed light on the validity of Einstein’s equivalence principle in the quantum realm. 🧪⚛️ physicsworld.com/a/einsteins-...
physicsworld.com
Einstein's equivalence principle put to two new tests – Physics World
The theory of general relativity still holds, according to new space-based and laboratory experiments
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Physics World @physicsworld.bsky.social · 21/09/2026
Physicists at CERN have recreated the collisions that trigger cosmic-ray air showers in Earth’s atmosphere 🧪⚛️ ow.ly/wlHK50ZPxcu
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Proton–oxygen collisions put cosmic-ray models to the test – Physics World
CERN’s ATLAS experiment probes the extreme universe
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Physics World @physicsworld.bsky.social · 18/09/2026
Future missions may have to pay more attention to biological contamination 🧪⚛️ ow.ly/XtTJ50ZP5x1
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Microbes may survive at the Moon's south pole – Physics World
Manned missions to the lunar polar regions must limit the unintended transfer of Earth life forms, say scientists
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Physics World @physicsworld.bsky.social · 18/09/2026
Biodegradable “STAR particles” use microscopic needles to painlessly puncture the skin and increase its absorption of medication. 🧪⚛️ physicsworld.com/a/tiny-biode...
physicsworld.com
Tiny biodegradable stars enhance drug delivery to the skin – Physics World
Microneedle-coated polymer particles rubbed onto the skin increase the delivery of medication by up to 37-fold
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Physics World @physicsworld.bsky.social · 18/09/2026
In this podcast we explore how batteries are used in electricity grids 🧪⚛️ ow.ly/HGG050ZP1yR
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Creating better batteries for electricity grids – Physics World
The applied scientist Lin Ma is our podcast guest
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Physics World @physicsworld.bsky.social · 17/09/2026
If you’ve ever kept a drink cool on a hot summer day by placing it inside a frozen, gel-filled sleeve, you’ll understand the appeal of phase change materials. But what if you want to cool your drink more quickly and evenly? These researchers have the answers. 🧪⚛️ physicsworld.com/a/heat-trans...
physicsworld.com
Heat-transfer fins give phase change materials a boost – Physics World
Modelling points the way towards optimal designs for systems that store and release heat
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Physics World @physicsworld.bsky.social · 17/09/2026
By combining a multi-quantum-well heterostructure with a metasurface, physicists have created a device that can efficiently transform light into different frequencies – including those at technologically important near-infrared wavelengths. 🧪⚛️ physicsworld.com/a/metasurfac...
physicsworld.com
Metasurface optical device boosts nonlinear frequency conversion – Physics World
Nanostructured device efficiently transforms light into different frequencies – including those at technologically important near-infrared wavelengths
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Physics World @physicsworld.bsky.social · 16/09/2026
Researchers from the University of Georgia have developed a light-sheet microscope that can image seizure propagation in zebrafish, in three dimensions and in real time. 🧪⚛️ physicsworld.com/a/fast-3d-im...
physicsworld.com
Fast 3D imaging reveals how seizures move through the brain – Physics World
A high-speed, 3D light-sheet microscope allows researchers to record seizure dynamics in larval zebrafish
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Physics World @physicsworld.bsky.social · 15/09/2026
Vacuum fluctuations enhance superconductivity in a bulk material 🧪⚛️ ow.ly/JIgS50ZNNut
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'Vacuumtronics' could help make better superconductors – Physics World
Vacuum fluctuations could be a non-invasive way to tune superconductivity
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Physics World @physicsworld.bsky.social · 14/09/2026
The gravity from entropy theory could explain how low-entropy structures like galaxies emerge in a universe in which entropy increases with time 🧪⚛️ ow.ly/1fmG50ZNbNk
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Could quantum information theory explain universe evolution? – Physics World
Gravity from entropy theory offer hints of why low-entropy regions persist in the universe
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Physics World @physicsworld.bsky.social · 14/09/2026
Energy-collecting device can simultaneously cool, produce electricity and generate heat. 🧪⚛️ physicsworld.com/a/a-hybrid-e...
physicsworld.com
A hybrid energy system for heating, cooling and generating electricity – Physics World
New concept exploits both the heat of the Sun and the coldness of outer space
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Physics World @physicsworld.bsky.social · 11/09/2026
Mercury's crust is magnetized by the planet's present day core magnetic field, new study suggests 🧪⚛️ ow.ly/w3Kr50ZMBv5
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Mercury may not need an ancient dynamo to explain its magnetic crust – Physics World
New analyses of MESSENGER data find that present-day magnetic field can explain most of its crustal magnetism
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Physics World @physicsworld.bsky.social · 11/09/2026
Researchers observe self-propulsion emerge from non-reciprocal interactions between different sized colloidal particles – even though the individual particles do not self-propel on their own. 🧪⚛️ physicsworld.com/a/non-recipr...
physicsworld.com
Non-reciprocal interactions keep particles in collective motion – Physics World
New finding could help create active matter with a structure that continuously reorganizes itself
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Physics World @physicsworld.bsky.social · 10/09/2026
A superradiant neutrino laser would be a useful (and very cool) thing to have. But, could one be built? 🧪⚛️ ow.ly/6PSw50ZLZlY
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Doubts cast on ‘superradiant neutrino laser’ proposal – Physics World
Debate span atomic and particle physics
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Physics World @physicsworld.bsky.social · 10/09/2026
Marco Caffio of iGii explains why the company's porous 3D carbon nanomaterial is a practical alternative to graphene 🧪⚛️ ow.ly/yTEr50ZLWjA
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Porous material offers the benefits of graphene in 3D – Physics World
Marco Caffio, the co-founder of iGii, is our podcast guest
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Physics World @physicsworld.bsky.social · 10/09/2026
New study suggests that the maximum limit to how far ahead we can predict the weather is around 129 days. Whether this can be reached in practice, however, will depend on future improvements in forecasting technologies. 🧪⚛️ physicsworld.com/a/how-far-ah...
physicsworld.com
How far ahead can we predict the weather? – Physics World
New work on predictability limits suggests that around 129 days is probably the maximum limit
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Physics World @physicsworld.bsky.social · 10/09/2026
The topology of light has been used to transfer information robustly through the atmosphere 🧪⚛️ ow.ly/Ee4u50ZLLqV
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Skyrmion topology makes long-distance optical communications more robust – Physics World
New work will help advance the development of more reliable free-space networks
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Physics World @physicsworld.bsky.social · 09/09/2026
A new type of all-perovskite triple-junction solar cell achieves a high power conversion efficiency of 27.3% and demonstrates unprecedented operational stability. 🧪⚛️ physicsworld.com/a/bilayer-ap...
physicsworld.com
Bilayer approach ramps performance of all-perovskite triple-junction solar cells – Physics World
A novel graphene oxide bilayer pushes triple-junction perovskite solar cells to a milestone 27.3% efficiency with unprecedented operational longevity
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Physics World @physicsworld.bsky.social · 09/09/2026
Researchers in the Netherlands have demonstrated a novel method for transferring sheets of 2D materials onto other substrates without cracking them, using an unexpected material: kitchen cling film. 🧪⚛️ physicsworld.com/a/cling-film...
physicsworld.com
Cling film helps stamp two-dimensional materials onto patterned surfaces – Physics World
An unexpected material comes to the rescue of 2D material transfer
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Physics World @physicsworld.bsky.social · 08/09/2026
The BESIII experiment has found the best evidence yet for the existence of glueballs – particles made of gluons alone 🧪⚛️ ow.ly/kQsx50ZKG4N
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Missing decay at BESIII points to long-sought glueball – Physics World
Heavy particle could be dominated by gluons
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Physics World @physicsworld.bsky.social · 08/09/2026
Physicists in Japan have carried out an atomic-scale version of the double-slit experiment, using an ultraprecise electron beam channelled along two columns of atoms in a pure silicon crystal. 🧪⚛️ physicsworld.com/a/researcher...
physicsworld.com
Researchers shrink double-slit experiment to atomic scale – Physics World
Using a crystal as an atomic-scale interferometer enables direct visualization of local atomic arrangements
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Physics World @physicsworld.bsky.social · 07/09/2026
Two superconducting qubits, separated by a metre of coaxial cable, can settle into an entangled state by being exposed to the same quantum-correlated microwave field. 🧪⚛️ physicsworld.com/a/noise-that...
physicsworld.com
Noise that entangles may accelerate the dawn of quantum technologies – Physics World
Two superconducting qubits, a metre of cable apart, have been driven into an entangled state not in spite of their environment, but by it
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Physics World @physicsworld.bsky.social · 07/09/2026
A study of the oldest known solids in the solar system indicates that magnetism played a key role in planetary system formation. 🧪⚛️ physicsworld.com/a/magnetism-...
physicsworld.com
Magnetism likely played a key role in early solar system formation – Physics World
Study of inclusions in a primordial meteorite suggests that magnetism must be considered in simulations of planet formation, and may even be the dominant factor
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Physics World @physicsworld.bsky.social · 04/09/2026
Members of the Double Chooz collaboration have shown that neutrino detectors can pick up residual antineutrino emissions from a nuclear reactor during a complete reactor shutdown – including from spent fuel stored in cooling pools. 🧪⚛️ physicsworld.com/a/antineutri...
physicsworld.com
Antineutrino detector could monitor spent nuclear fuel for clandestine activity – Physics World
Sensitive new measurements suggest that monitoring can continue even when reactors are offline
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Physics World @physicsworld.bsky.social · 04/09/2026
In this Venn diagram of a podcast, we hear from @alainaglevine.bsky.social on how to find the perfect STEM career for you and how AI is changing the career hunt, plus @janelleshane.com on how AI continues to be weird even as it become ever more ubiquitous. 🧪⚛️ physicsworld.com/a/unicorn-ca...
physicsworld.com
Finding careers in STEM and the weirdness of AI – Physics World
Career consultant Alaina G Levine and AI researcher Janelle Shane are our podcast guests
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Physics World @physicsworld.bsky.social · 04/09/2026
Climate disasters such as wildfires and extreme heat events may have been the main mechanisms behind the mass extinction event that killed the dinosaurs – and much other life on Earth – 66 million years ago. 🧪⚛️ physicsworld.com/a/lid-of-ast...
physicsworld.com
'Lid' of asteroid dust smothered and burned the dinosaurs, say scientists – Physics World
Heat and fire may have caused the mass extinction of Cretaceous creatures
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Physics World @physicsworld.bsky.social · 03/09/2026
Subir Sarkar from the University of Oxford reports back from the 4th International Congress of Basic Science, which saw more than 800 top scientists from around the world gather in Beijing. Perhaps not suprisingly, AI was a big deal 💡🧪⚛️ physicsworld.com/a/ai-dominat...
physicsworld.com
AI dominates the 4th International Congress of Basic Science in Beijing – Physics World
Subir Sarkar finds that AI was a hot topic among the over 800 delegates
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Physics World @physicsworld.bsky.social · 03/09/2026
Plays depicting physics or physicists come in three main types. Some are biographies. Others examine the process of “doing” physics, while the third uses scientific concepts to structure the play itself. But only one play perhaps does all three at once.⚛️🧪 physicsworld.com/a/theatre-is...
physicsworld.com
Theatre is bringing physics to new audiences but what is the definitive science play? – Physics World
Chris Sinclair explores the plays that are bringing physics to new audiences
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Physics World @physicsworld.bsky.social · 02/09/2026
Looking for your first job? Don't know where to start? Need some tips? Physics World brings you our ultimate guide for starting out on your career as a physicist, whether it's in academia, engineering, quantum, finance, industry, nuclear, teaching, IT or medical. 🧪⚛️ physicsworld.com/a/from-stude...
physicsworld.com
From student to scientist – how to build a career with physics – Physics World
Tushna Commissariat and Matin Durrani guide physics students through the maze of career options
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Physics World @physicsworld.bsky.social · 02/09/2026
A two-dimensional magnetic material that exhibits a charge-ordered state shows potential for use in new kinds of memory devices. 🧪⚛️ physicsworld.com/a/two-dimens...
physicsworld.com
Two-dimensional material shows promise for long-term memory, thanks to slow electrons – Physics World
A 2D magnetic material exhibits a charge-ordered state in which electrons move collectively and unusually slowly while maintaining quantum coherence
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Physics World @physicsworld.bsky.social · 02/09/2026
Focused ultrasound can safely disrupt the blood–brain barrier for drug delivery, but how much drug gets into the brain depends on its size. Using a clever spin on MRI physics, researchers have shown that “the smaller the better” might not be entirely correct. 🧪⚛️ physicsworld.com/a/breaking-i...
physicsworld.com
Breaking in: how ultrasound smuggles drugs past the blood–brain barrier – Physics World
A creative spin on MRI technology measures the amount of drug delivered to a brain tumour
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Physics World @physicsworld.bsky.social · 01/09/2026
Proton minibeam radiotherapy is an innovative new cancer treatment that uses a spatially modulated dose distribution to destroy tumours while sparing healthy tissue. But how might organ motion during treatment impact this sparing effect? 🧪⚛️ physicsworld.com/a/dose-calcu...
physicsworld.com
Dose calculations reveal how patient motion impacts proton minibeam therapy – Physics World
A Monte Carlo-based 4D dose calculation framework assesses the uncertainties for realistic clinical treatments
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Physics World @physicsworld.bsky.social · 28/08/2026
Earthquakes that travel at high speed, like the 2025 Myanmar earthquake, can produce stronger and longer-duration ground shaking. Irregularities in the fault control earthquake speed - new study finds. 🧪⚛️ physicsworld.com/a/earthquake...
physicsworld.com
Earthquake fault irregularities control rupture speed and influence ground motion – Physics World
New models show that high-speed rupture propagation produces stronger and longer-duration ground motion
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Physics World @physicsworld.bsky.social · 28/08/2026
Using a novel coating to hide transplanted donor islets from the body’s immune system, researchers demonstrated that diabetic mice could maintain normal blood glucose levels for 100 days, without requiring immunosuppressants. 🧪⚛️ physicsworld.com/a/encapsulat...
physicsworld.com
Encapsulated islet transplants restore blood sugar control in diabetic mice – Physics World
A thin coating that hides transplanted donor cells from the body’s immune system could enable a novel therapy for type 1 diabetes
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Physics World @physicsworld.bsky.social · 27/08/2026
Joe McEntee examines how big-science labs, such as particle accelerators, are focusing their efforts on cutting energy costs while still trying to get as much science out of them as possible. 💡🧪⚛️ physicsworld.com/a/big-scienc...
physicsworld.com
Big science seeks big wins from sustainability efforts – Physics World
Joe McEntee examines attempts to make particle accelerators more sustainable
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Physics World @physicsworld.bsky.social · 27/08/2026
Radiosurgery physicist Katharine Hunt explains how Gamma Knife is used to treat benign brain conditions in this podcast sponsored by Elekta ow.ly/uqsx50ZG4L3
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Gamma Knife radiosurgery brings precision treatment to benign brain conditions – Physics World
This podcast features Katharine Hunt of the Sheffield Teaching Hospitals NHS Foundation Trust
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Physics World @physicsworld.bsky.social · 27/08/2026
Pioneering magnon momentum microscope probes nonlinear spin-wave interactions 🧪⚛️ ow.ly/gVlg50ZFYgP
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X-ray camera catches spin waves in the act – Physics World
Magnon microscope focuses on useful non-linear interactions
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