States of matter Research update How hot can you make a solid before it melts? Superheated gold stays solid at temperatures far beyond the predicted "entropy catastrophe" Read article: How hot can you make a solid before it melts?
Projects and facilities Feature China’s High Energy Photon Source prepares to light up the world Robert P Crease visits what is set to be the most advanced fourth-generation synchrotron-light source Read article: China’s High Energy Photon Source prepares to light up the world
Light sources Research update Scientists propose super-bright light source powered by quasiparticles A new light source concept based on plasma accelerators could be harnessed for a variety of applications, including non-destructive imaging and computer-chip manufacturing Read article: Scientists propose super-bright light source powered by quasiparticles
Superconductivity Research update Terahertz laser induces room-temperature superconducting phase in a fullerene compound Effect is transient but the right light source could make it last longer, say researchers Read article: Terahertz laser induces room-temperature superconducting phase in a fullerene compound
Quantum optics Research update Entangled light source is fully on-chip Compact device could lead to practical sources of multiphoton cluster states Read article: Entangled light source is fully on-chip
Metrology Podcasts Atomic clocks put Einstein and the Standard Model to the test, UK’s XFEL plans enter design phase In this podcast we chat about comparing atomic clocks and plans for a free electron laser Read article: Atomic clocks put Einstein and the Standard Model to the test, UK’s XFEL plans enter design phase
Light sources Research update Photonic band structure created in electrically driven OLED microcavities Stack of organic light emitting diodes forms hybridized energy states with strong dependence on unit cell geometry Read article: Photonic band structure created in electrically driven OLED microcavities
Biomedical devices Research update Dose measurement system could improve phototherapy for jaundiced newborns Estimating the rate of energy delivered by a phototherapy lamp within a selected wavelength range could optimize neonatal phototherapy Read article: Dose measurement system could improve phototherapy for jaundiced newborns
Light sources Research update X-ray technique sheds fresh light on correlated metals Combined experimental and theoretical approach reveals electronic correlations in quantum materials Read article: X-ray technique sheds fresh light on correlated metals
Light sources Podcasts Talking about Hawking, Brazil’s new synchrotron light source In this podcast we chat about a new biography of Stephen Hawking and catch up with the director of Latin America’s only synchrotron light source Read article: Talking about Hawking, Brazil’s new synchrotron light source
Physics World podcast Explore our two regular podcast series, Physics World Weekly and Physics World Stories