Health
Some doses of blue light from screens may not affect your sleep
Blue light, which is given off by smartphone and laptop screens, is known to affect our sleep, but that might only happen at certain doses
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Technology
Anti-laser can make any object suck in light
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Physics
Whirlpools made of light can be twisted into the shape of a doughnut
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Physics
Secret images hidden in mirrors and windows using liquid crystals
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Physics
A gas made from light becomes easier to compress as you squash it
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Life
How the shimmering secrets of iridescence could keep us cool
Features
Physics
Photons could be 鈥榮plit鈥� in two to create a weird new form of light
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Health
Red light therapy could improve eyesight that has declined due to age
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Life
Caterpillar populations decline 50 per cent in areas with streetlights
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C. V. Raman
Chandrasekhara Venkata Raman was an Indian physicist who won the 1930 Nobel prize for physics for his work on light scattering, known as the Raman effect
Physics
Laser pulses travel faster than light without breaking laws of physics
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Physics
Clouds of atoms trap light in a way that could store quantum data
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Optogenetics
Physics
Ultracold atoms can work together to shape or steer light
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