Read article: Relativity with a human touch Ultracold matter Research update Relativity with a human touch Optical clocks measure gravitational time dilation over 33 cm
Read article: Ultra-precise test confirms photons are bosons Ultracold matter Research update Ultra-precise test confirms photons are bosons Laser experiment upholds a key principle of modern physics
Read article: Condensate created in freefall Ultracold matter Research update Condensate created in freefall Experiment paves way for BECs in space
Read article: Entangling photons with electricity Ultracold matter Research update Entangling photons with electricity 'Entangled' LED could help make quantum computer
Read article: Ultracold dipoles are under control Ultracold matter Research update Ultracold dipoles are under control Long-range interactions are a first
Read article: Randomness is no lottery thanks to entangled ions Ultracold matter Research update Randomness is no lottery thanks to entangled ions Number sequences guaranteed random by quantum mechanics
Read article: BEC coupled to mechanical oscillator Ultracold matter Research update BEC coupled to mechanical oscillator Ultracold gas offers new way of probing tiny vibrations
Read article: Science meets innovation at Stanford Photonics Research Center Ultrafast science Video Science meets innovation at Stanford Photonics Research Center Innovation is a core value for scientists at the Stanford Photonics Research Center
Read article: Spin-squeezed atoms boost interferometry Ultracold matter Research update Spin-squeezed atoms boost interferometry Entangled atoms beat classical limit
Read article: Trapped ions go for a quantum walk Ultracold matter Research update Trapped ions go for a quantum walk Longest quantum walk to date could lead to computing applications
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays