Ultracold matter Research update Individual polyatomic molecules are trapped in optical-tweezer arrays Molecules cooled to their quantum ground state Read article: Individual polyatomic molecules are trapped in optical-tweezer arrays
Ultracold matter Research update Space-borne atoms herald new tests of Einstein’s equivalence principle Measuring the free-fall rate of different type of atoms in space could unveil hidden mechanisms of gravity Read article: Space-borne atoms herald new tests of Einstein’s equivalence principle
Ultracold matter Research update Ultracold four-atom molecules are bound by electric dipole moments New technique could shed light on high-temperature superconductivity Read article: Ultracold four-atom molecules are bound by electric dipole moments
Ultracold matter Research update Physicists take the temperature of second sound Results could have applications for studies of high-temperature superconductors and neutron stars Read article: Physicists take the temperature of second sound
Ultracold matter Research update Physicists observe false vacuum decay in a ferromagnetic superfluid First experimental evidence of true vacuum “bubbles” could have implications for cosmology as well as condensed-matter physics Read article: Physicists observe false vacuum decay in a ferromagnetic superfluid
Ultracold matter Research update Machine learning takes hassle out of cold-atom experiments Reinforcement learning can make cooling apparatus more robust Read article: Machine learning takes hassle out of cold-atom experiments
Quantum computing Research update Entangled molecules make a novel qubit platform Two independent groups report a new tool for quantum science Read article: Entangled molecules make a novel qubit platform
Quantum mechanics Research update No-heat quantum engine makes its debut Researchers demonstrate a prototype engine powered by the quantum statistics of bosons and fermions Read article: No-heat quantum engine makes its debut
Gravity Research update Antimatter does not fall up, CERN experiment reveals ALPHA-g is first to observe antihydrogen in freefall Read article: Antimatter does not fall up, CERN experiment reveals
Ultracold matter Research update ‘Alice rings’ spotted in a Bose–Einstein condensate Laboratory experiment could shed light on cosmological questions Read article: ‘Alice rings’ spotted in a Bose–Einstein condensate