Editor's choice
Why you shouldn’t be worried about talk of a ‘quantum winter’
James McKenzie examines the main messages from the recent State of Quantum 2024 report
Researchers use machine learning to improve the taste of Belgian beers
The team hops the findings could be used to enhance the flavour of alcohol-free beer
Brazil becomes first Latin American country to join CERN
Brazilian nationals will now be eligible to apply for staff positions at CERN
Research updates
Scientists discover that like-charged particles can sometimes attract
Findings contradict central electromagnetic principle that the force between like charges is always repulsive
Space weather phenomenon observed in the lab for the first time
Magnetosphere events known as whistler mode chorus emissions can now be produced in a controlled environment
Compton camera measures gamma-ray polarization in nuclear physics experiment
Efficient detection could provide insights into rare nuclei
Could lasers synthesize heavy elements produced in neutron-star mergers?
For the moment, the answer is "no", but a new study suggests next-generation neutron sources could do the job
Could gravastars be nested inside one another like a Russian doll?
Hypothetical objects could be observed in gravitational waves
New metamaterial could make true one-way glass
Theoretically proposed structure could also improve the efficiency of solar cells
EPL
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Physics World podcasts
The latest opinion and reviews
Never mind the right stuff, here’s the red stuff: how Yuri Gagarin and the cosmonauts shaped Soviet space culture
Margaret Harris reviews Cosmonaut: a Cultural History by Cathleen S Lewis
Wigner’s friend: the quantum thought experiment that continues to confound
Robert P Crease, Jennifer Carter and Gino Elia advise on how to resolve a spat in quantum physics
Medical physics and biophysics
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Read more of our latest articles
Combining electrochemistry and neutron reflectometry in situ
Join the audience for a live webinar on 17 April 2024 sponsored by The Electrochemical Society
Drinking bird toy generates usable electricity
Dippy bird device powers 20 liquid-crystal displays
If Only I Could Hibernate: Mongolian movie follows a teenager entering a physics olympiad
Matin Durrani reviews If Only I Could Hibernate – a film about a boy from a hard-up family trying to enter a physics competition
Automating patient-specific QA: clinical use of RadCalc and script automation to enhance pre-treatment and in vivo workflow
Join the audience for a live webinar on 23 April 2024 sponsored by LAP GmbH Laser Applikationen
How India is transitioning its energy production in a carbon-constrained world
Shri Rajesh Veeraraghavan, a director at the Nuclear Power Corporation of India, thinks nuclear power can help low-income nations transition to a carbon-neutral future
Institute of Physics announces ‘impact projects’ for 2024
The green economy, space technologies and opportunities in venture capital investment have been choosen
Einstein’s only experiment is found in French museum
1915 experiment established the connection between magnetism and angular momentum
Researchers reveal the fluid dynamics behind cicadas’ ‘unique’ urination
Cicadas are voracious eaters, which results in a lot of urination
Soap bubbles transform into lasers
Laser wavelengths depend on bubble's size, paving the way for bubble-laser-based sensors of pressure or ambient electric field
Mapping brain circuits reveals potential treatment targets for brain disorders
Researchers use deep brain stimulation to map the brain circuits associated with Parkinson’s disease, dystonia, OCD and Tourette’s syndrome
‘It can be a long road and that’s okay’ – Prineha Narang on going the distance in science
Prineha Narang, a computational materials physicist at UCLA, describes how she went from running on the track to running a cutting-edge research group
Controllable Cooper pair splitter could separate entangled electrons on demand
Proposed device might aid the development of quantum computers
Magnetic microbots show promise for treating aneurysms and brain tumours
Researchers have developed magnetic coiling microfibre robots and used them to embolize arterial bleeding in a rabbit
New attosecond X-ray spectroscopy technique ‘freezes’ atomic nuclei in place
Removing "noise" from atomic motion enables scientists to observe electron movement in real time, leading to new interpretations of previous results
Ultraviolet dual-comb spectroscopy system counts single photons
New technique avoids high-powered lasers
Explaining the origin of life with physics
Claire Malone reviews Molecular Storms: the Physics of Stars, Cells and the Origin of Life by Liam Graham
Solid-state battery electrolyte makes a fast lithium-ion conductor
New material allows lithium ions to move in 3D and could compete with liquid electrolytes in mainstream Li-ion battery technologies
Surf’s up: Physics World admires the famous Severn bore
Wave carried surfers by as we stood on a rainy riverbank
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Temporal, spatial, and motion-included scintillation-based QA for an MR-linac
A live webinar on 11 March 2024 exploring the future of patient QA for online adaptive SBRT radiotherapy treatments with scintillation dosimetry
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SPIE Photonics Europe 2024
7—11 April 2024 | Strasbourg, France
SPIE Photonics Europe is a cross-disciplinary event highlighting compelling optics and photonics technologies – from digital optics to quantum technologies to optical imaging, sensing, and metrology