Accelerators and detectors Research update Micronozzle could give laser-driven particle accelerators a boost Simulations suggest that new design could deliver gigaelectronvolt protons Read article: Micronozzle could give laser-driven particle accelerators a boost
Nuclear medicine Research update Ultrafast PET imaging could shed light on cardiac and neurological disease An ultrasensitive small-animal PET scanner can image the entire body of a rat with sub-second temporal resolution Read article: Ultrafast PET imaging could shed light on cardiac and neurological disease
Astronomy and space Research update Cosmic conflict continues: new data fuel the Hubble tension debate New measurements of the universe’s expansion using James Webb Space Telescope appear to resolve the Hubble constant conflict – or do they? Read article: Cosmic conflict continues: new data fuel the Hubble tension debate
Particle and nuclear Research update Conflicting measurements of helium’s charge radius may be reconciled by new calculations Theorists move quickly to explain discrepancy Read article: Conflicting measurements of helium’s charge radius may be reconciled by new calculations
Diagnostic imaging Research update AI algorithms in radiology: how to identify and prevent inadvertent bias A multidisciplinary research team shares tips on how to mitigate bias in artificial intelligence models used in radiology Read article: AI algorithms in radiology: how to identify and prevent inadvertent bias
States of matter Research update Liquid carbon reveals its secrets Researchers characterize the structure of liquid carbon for the first time, thanks to experiments at the European XFEL Read article: Liquid carbon reveals its secrets
Instrumentation and measurement Research update Tiny laser delivers high-quality, narrowband light for metrology Laser diode device enables rapid measurement Read article: Tiny laser delivers high-quality, narrowband light for metrology
Stars and solar physics Research update Short-lived eclipsing binary pulsar spotted in Milky Way Rare sighting could allow astronomers to test theories of binary star systems Read article: Short-lived eclipsing binary pulsar spotted in Milky Way
Biomedical devices Research update Handheld device captures airborne signs of disease Portable biomarker detector could also be used in non-contact diagnostics Read article: Handheld device captures airborne signs of disease
Biomaterials Research update 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 Read article: Worm slime could inspire recyclable polymer design
Physics World podcast Explore our two regular podcast series, Physics World Weekly and Physics World Stories