Cars already have intelligent headlights that sweep left or right to improve visibility as you steer into a turn. But Vauxhall/Opel is developing next-generation lamp systems that scan your facial features 50 times a second to keep track of where you're looking – and automatically re-direct the lights in that direction. Read more >
Neon is both a status symbol and lucky charm in the Saudi city of Jeddah – and photographer Céline Stella's new book documents how humbled tube lighting dominates the nights like freshly drawn lightsabers. Read more >
This is the view from the International Space Station at night. Earth's many types of artificial lights create a bright mosaic, with the different hues revealing different lightbulbs and even different countries.