Today's headlines
How do human heart cells react to microgravity?
Exposure to microgravity quickly changes human cardiac cells’ gene expression and behaviour, which might explain symptoms experienced by astronauts
NASA mission touches the edge of the Sun
Bizarre bends in the solar wind spotted by spacecraft
Quantum dot LEDs go cadmium-free
The first highly-efficient quantum-dot light-emitting diodes that do not rely on toxic heavy metals could find applications in next-generation TV displays
A decade of Physics World breakthroughs
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Research news
Making plastics less flammable
A polystyrene that incorporates ultrafine particles of iron in a mesoporous silica matrix is less likely to ignite and produces less smoke when heated
Entanglement lights the way to scalable quantum computers
Relatively small ion traps could be linked via photons
Plasmonic nanocubes make an ultrafast thermal camera
New multispectral photodetector could find applications in medicine, food safety and precision agriculture
Microneedle patch delivers long-acting reversible contraception
An easy-to-use effervescent patch slowly releases contraceptive hormone via microneedles under the skin
‘Extraordinary’ black hole weighs in at 70 solar masses
Object is heaviest known stellar-mass black hole in the Milky Way
Bread machines get a much-kneaded physics makeover
Devices with a more highly curved spiral arm or two spiral arms that mimic hand kneading could produce a better-quality dough
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Beyond biology
JV Chamary reviews Superior: the Return of Race Science by Angela Saini
A mathematical mindset: Graham Farmelo sings the praises of string theory
Matin Durrani reviews The Universe Speaks in Numbers: How Modern Maths Reveals Nature’s Deepest Secrets by Graham Farmelo
Pushing e-textiles towards the ‘plain of productivity’
Entrepreneur and designer Madison Maxey speaks to Margaret Harris about the materials-science challenges of making electronic textiles
Confocal Raman microscopy: correlate and accumulate
WITec's modular design strategy gives users a clear upgrade path for their confocal Raman microscopy systems, as well as the opportunity to integrate with other microscopy techniqu...
Kamchatka or bust: Paul Steinhardt’s quest for quasicrystals from outer space
Hamish Johnston reviews The Second Kind of Impossible: the Extraordinary Quest for a New Form of Matter by Paul Steinhardt
Building an ethical consensus for space exploration
Monica Vidaurri says that when it comes to space exploration ethical considerations are either missing or can easily be breached
The past, present and future of computing in high-energy physics
Federico Carminati, the chief innovation officer at CERN openlab, assesses how particle physics has shaped (and been shaped by) trends such as big data and machine learning
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Latest articles
The state of the climate in 2019 and its impacts on us
Omar Baddour discusses the provisional statement of WMO State of the Climate report 2019, released this week
Physics techniques line up to advance medical care
How can next-generation physics approaches be applied to improve medical technologies and treatments?
UN secretary-general calls for rapid and deep change at UN climate summit
António Guterres, Pedro Sánchez and Nancy Pelosi call for action on first day of COP 25
Your top festive books: the December 2019 issue of Physics World is now out
Enjoy our reviews of the best holiday reading in the decade's final issue of your favourite magazine
Pouring cold water on particle X17, flying suits for humans, why that Tesla window shattered
Excerpts from the Red Folder
MRI safety: an urgent issue for an increasing crowd
Titti Owman from Lund University Hospital discusses the safety risks of MRI and how to minimize MRI accidents
Machine learning stabilizes synchrotron beams
Complex 3D maps of chemical reactions could soon be acquired using better light sources
New ways to probe material properties
At the Fall Meeting of the Materials Research Society in Boston, US, thousands of scientists will be looking for the best tools to measure and analyse material properties
Solar-powered planes, trains and automobiles
Dave Elliott examines how solar energy could be used for modern transportation
Quantum computers could mark their own homework
Protocol estimates the accuracy of quantum calculation without knowing the correct result
Cyclotron-based gallium-68 generator breaks production records
ARTMS' solid-target based production system uses a low-energy cyclotron to generate the diagnostic isotope 68Ga at record breaking levels
Square Kilometre Array hit by €250m shortfall
Officials planning the giant radio telescope hope to plug the funding gap by attracting new countries to the project
Sea ice snowscape is surprisingly complex
Analysis of snow thickness suggests that deposition and reshaping of snow dunes by the wind account for two distinct patterns of measurement noise
CERN expected to announce one-year delay to Large Hadron Collider upgrade
Decision is set to be taken tomorrow on whether to postpone the completion of the high-luminosity upgrade until 2028
Laser combo opens up futuristic terahertz technology
A compact, widely tunable terahertz laser could enable development of futuristic communications, security, biomedical and astronomical imaging systems
Movie misdemeanours
Brother-and-sister duo Eugenia Viti and Ivan Viti explore the difference between reel and real physics
3D foams could control light
Researchers coin the term "phoamtonics" to describe a new field of study that exploits the photonic properties of foam-based structures
Alumina glass bends rather than breaking
Molecular bonds break and reform to prevent cracking
Quantum horizons
A new crop of quantum technologies is set to make waves in the commercial world. Get up to speed on what they are and what impact they will have in the future.
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Radiosurgery and Immunotherapy: Evolving Knowledge
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