Read article: Our favourite pictures of 2011 Ultracold matter News Our favourite pictures of 2011 From Batman under the microscope to dancing black holes
Read article: Introducing the latest quasicrystal Ultracold matter Research update Introducing the latest quasicrystal Degenerate configuration is a first
Read article: Falling atoms measure the Earth’s rotation Ultracold matter Research update Falling atoms measure the Earth’s rotation New gyroscope could also test Einstein's general relativity
Read article: Nanoantenna separates light of different colours Ultracold matter Research update Nanoantenna separates light of different colours Red and blue light go in opposite directions
Read article: Electron bunches keep their shape Ultracold matter Research update Electron bunches keep their shape Cold-electron source could be used for diffraction imaging
Read article: ‘Carpet’ makes objects invisible to sound Ultracold matter Research update ‘Carpet’ makes objects invisible to sound Acoustic cloak is the first to work in air
Read article: Ultracold atoms simulate magnetic interactions Ultracold matter Research update Ultracold atoms simulate magnetic interactions Quantum fluctuations drive magnetic phase transition
Read article: Single spins flipped in optical lattice Ultracold matter Research update Single spins flipped in optical lattice Individual atoms frozen in a Mott insulator are flipped at will
Read article: Ultracold atoms could reveal the dark sector Ultracold matter Research update Ultracold atoms could reveal the dark sector Nobel laureate plans experiment to probe 'dark content of the vacuum'
Read article: Ultracold atoms race around laser circuit Ultrafast science Research update Ultracold atoms race around laser circuit Doughnut-shaped BEC is rotated by light
Physics World podcast Explore our two regular podcast series, Physics World Weekly and Physics World Stories