Technology
Single particles of light can be used for remote 3D surveillance
Researchers have taken 3D images by bouncing individual photons from a laser off a building 45 kilometres away, more than 4 times farther than ever before
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Physics
Watch a beam of light bounce off mirrors in ultra-slow motion
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Physics
Soap bubbles can split light into otherworldly branching streams
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Humans
Psychedelic skies over Chile reveal the full extent of light pollution
Regulars
Life
Why bats and nocturnal animals hate light pollution?
Video
Technology
Gold-coated fabric that emits own light could be ultimate safety gear
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Electromagnetic spectrum
Physics
Photon trick lets you bend the rules of quantum physics
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Technology
Seeing around corners: How to decipher shadows to see the invisible
Features
Technology
Bubbles show their iridescent beauty as light journeys through
The beautiful iridescence of bubbles is captured in this image 鈥� shortlisted for a prize 鈥� as light reflects and refracts as it passes through bubble walls
Regulars
Physics
New kind of light is a vortex beam that twists faster as it moves
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91色情片
How getting more daylight can improve your mental and physical health
Features
Physics
Purple or brown? This 3D-printed cup changes colour in different light
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Environment
Light pollution has reached fragile habitats and may threaten wildlife
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