Ultrafast science Research update Electron spins cross over in femtoseconds New measurements could lead to better spintronics Read article: Electron spins cross over in femtoseconds
Ultrafast science Research update Could lasers guide and control the path of lightning? New method to steer electric discharges around an obstacle uses laser beams Read article: Could lasers guide and control the path of lightning?
Ultrafast science Research update Frequency combs smooth out optical-fibre signals Research could mean higher bandwidth for optical fibres, and so more data Read article: Frequency combs smooth out optical-fibre signals
Ultrafast science Research update Lasers reveal previously unseen fossil details New palaeontological imaging method is cheap and non-destructive Read article: Lasers reveal previously unseen fossil details
Ultrafast science Research update ‘Twisted light’ gives quantum cryptography a boost Technique could make cryptographic systems more resilient to eavesdroppers Read article: ‘Twisted light’ gives quantum cryptography a boost
Ultrafast science News Physicists urged to back plans for Africa’s first synchrotron Rallying cry goes out for an African light source, with South Africa a potential host Read article: Physicists urged to back plans for Africa’s first synchrotron
Ultrafast science Research update Filamentous laser beams point to new type of phase transition Clustering threads of plasma could help control lightning and seed clouds Read article: Filamentous laser beams point to new type of phase transition
Ultrafast science Research update Physicists reveal new way of cooling large objects with light Demonstration could lead to "stable optical springs" for gravitational-wave detectors Read article: Physicists reveal new way of cooling large objects with light
Ultrafast science Video A single light of science An introduction to the International Year of Light and Light-based Technologies (IYL 2015) Read article: A single light of science
Ultrafast science Research update Laser blast makes pure quantum dots Selenium nanoparticles could be used in solar cells and take on antibiotic resistance Read article: Laser blast makes pure quantum dots
Physics World podcast Explore our two regular podcast series, Physics World Weekly and Physics World Stories