Structure and dynamics Research update Does time dilation destroy quantum superposition? Interplay between gravity and quantum mechanics should be observable on Earth Read article: Does time dilation destroy quantum superposition?
Quantum mechanics Research update Do atoms going through a double slit ‘know’ if they are being observed? Wheeler's "delayed choice" gedanken done with single helium atom Read article: Do atoms going through a double slit ‘know’ if they are being observed?
Quantum mechanics Opinion and reviews Fight over light Robert P Crease examines why Goethe so savagely attacked Newton's views on optics Read article: Fight over light
Quantum mechanics Opinion and reviews Bringing the quantum to life Jim Al-Khalili and Johnjoe McFadden's primer on quantum biology hits the mark with Marta Varela Read article: Bringing the quantum to life
Quantum mechanics Opinion and reviews Meet the kaleidoholics Robert P Crease stumbles into the incredible world of a "philosophical toy" that’s 200 years old Read article: Meet the kaleidoholics
Structure and dynamics Research update Two quantum properties teleported together for first time Spin and orbital angular momentum transferred between photons Read article: Two quantum properties teleported together for first time
Structure and dynamics Research update Quantum random walk puts a limit on superposition Caesium atom violates "macrorealistic" assumptions Read article: Quantum random walk puts a limit on superposition
Quantum mechanics Research update Photons simulate time travel in the lab Protocol could break quantum-encryption systems Read article: Photons simulate time travel in the lab
Quantum mechanics Research update Quantum pigeonholes are not paradoxical after all, say physicists Interference makes it look as if mathematical principle is violated Read article: Quantum pigeonholes are not paradoxical after all, say physicists
Transport properties News The world of physics in 2015 Find out more about the key physics events of the coming year – and those we predict might happen Read article: The world of physics in 2015