Acoustics Research update Holographic acoustic tweezers could be used to create 3D displays Algorithm controls the phase of 256 loudspeakers Read article: Holographic acoustic tweezers could be used to create 3D displays
Magnetism and spin Research update Quantum spin liquid state pathway emerges Studies of new kagome lattice materials provide insights into the transitions between quantum spin liquids and magnetically ordered states Read article: Quantum spin liquid state pathway emerges
Planetary science Research update Helium-3 could be bound-up with iron and oxygen deep within the Earth Rare compound could exist at temperatures and pressures found at the core–mantle boundary Read article: Helium-3 could be bound-up with iron and oxygen deep within the Earth
Nuclear medicine Research update Open-field PET enables brain scans of rats in motion Motion-compensated PET enables simultaneous brain imaging and behaviour analysis in unrestrained small animals Read article: Open-field PET enables brain scans of rats in motion
Cosmology Research update Our universe has antimatter partner on the other side of the Big Bang, say physicists An “antiuniverse” where time runs backwards and antimatter dominates would naturally explain the existence of dark matter Read article: Our universe has antimatter partner on the other side of the Big Bang, say physicists
Neural engineering Research update Phantom limb movement controls a robotic arm A control system for a prosthetic robotic arm that decodes phantom limb movements could help people with above the elbow amputations Read article: Phantom limb movement controls a robotic arm
Magnetism and spin Research update Ultracold atoms close-in on Stoner ferromagnetism System could be used to explore “quantum emulsions” Read article: Ultracold atoms close-in on Stoner ferromagnetism
Biofabrication Research update Moulded fabrication delivers practical platform for drug screening A double-layered microtube of collagen can easily be perfused with cell culture for screening applications Read article: Moulded fabrication delivers practical platform for drug screening
Advanced materials Research update Could high-pressure hydrides be high-temperature superconductors? Researchers may have found evidence for a sudden drop in resistivity at 250 K Read article: Could high-pressure hydrides be high-temperature superconductors?
Diagnostic imaging Research update Innovation: patent applications review A round-up of some recent international patent applications in medical imaging Read article: Innovation: patent applications review
Physics World podcast Explore our two regular podcast series, Physics World Weekly and Physics World Stories