Quantum optics Research update Twisted light beams sent 143 km across the sea Orbital angular-momentum states transmitted between Canary Islands Read article: Twisted light beams sent 143 km across the sea
Quantum mechanics Research update Schrödinger’s cat lives and dies in two boxes at once Physicists create a double cat state in two entangled microwave cavities Read article: Schrödinger’s cat lives and dies in two boxes at once
Quantum mechanics Opinion and reviews Between the lines An eloquent defence of string theory and a mathematical analysis of luck and chance, reviewed by Margaret Harris Read article: Between the lines
Quantum mechanics Research update Alice and Bob have their quantum fingerprints checked Files can be matched up more efficiently using quantum mechanics Read article: Alice and Bob have their quantum fingerprints checked
Quantum optics Research update Surreal behaviour spotted in photon experiment Physicists bring Bohmian trajectories to life and resolve 25-year-old debate Read article: Surreal behaviour spotted in photon experiment
Quantum mechanics Research update Computer program dreams up new quantum experiments Algorithm uses chance to devise scenarios that are beyond human imagination Read article: Computer program dreams up new quantum experiments
Quantum mechanics Opinion and reviews Between the lines A book that fills in the gaps in your astronomy education and an illuminating biography of Max Planck, reviewed by Margaret Harris Read article: Between the lines
Quantum mechanics Research update Theorists disentangle particle identity New view on entanglement could boost quantum technology Read article: Theorists disentangle particle identity
Ultracold matter Research update Quantum-limited heat conduction smashes long-distance record Ultra-efficient heat transfer could keep quantum computers cool Read article: Quantum-limited heat conduction smashes long-distance record
Quantum optics Research update Double quantum-teleportation milestone is Physics World 2015 Breakthrough of the Year Jian-Wei Pan and Chaoyang Lu of the University of Science and Technology of China bag this year's award Read article: Double quantum-teleportation milestone is Physics World 2015 Breakthrough of the Year