Quantum mechanics Research update Physicists move closer to the quantum limit A tiny mechanical arm has been made to vibrate at just above the limits of the uncertainty principle
Quantum optics Research update Looking at decoherence Carbon molecules cool off to reveal quantum-classical limit
Quantum mechanics Research update Mesons violate Bell’s inequality A fundamental aspect of quantum theory has been tested in a particle-physics experiment for the first time Read article: Mesons violate Bell’s inequality
Soft matter and liquids Research update Biomolecule behaves like a wave Wave-particle duality has been seen in the largest objects yet Read article: Biomolecule behaves like a wave
Quantum optics Research update Entanglement goes macroscopic The effects of quantum entanglement have been observed in the bulk properties of a material for the first time Read article: Entanglement goes macroscopic
Ultracold matter Research update Ytterbium joins the condensates Japanese physicists have made a novel Bose-Einstein condensate with ytterbium atoms
Quantum mechanics Research update Caesium violates parity in a new way Atomic parity violation has been seen using a novel optical technique Read article: Caesium violates parity in a new way
Quantum mechanics Research update Caesium joins the condensates Caesium has become the seventh element to form a Bose condensate
Surfaces and interfaces Feature The Casimir effect: a force from nothing The force could affect everything from micromachines to unified theories of nature Read article: The Casimir effect: a force from nothing
Quantum mechanics Opinion and reviews The double-slit experiment Who performed the most beautiful experiment in physics? Read article: The double-slit experiment