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light

Optogenetics, Illustration

Definition

Optogenetics

Optogenetics is a technique that allows cells to be switched on and off with light.
Ultracold atoms can work together to shape or steer light

Physics

Ultracold atoms can work together to shape or steer light

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Lidar beam

Technology

Single particles of light can be used for remote 3D surveillance

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Watch a beam of light bounce off mirrors in ultra-slow motion

Physics

Watch a beam of light bounce off mirrors in ultra-slow motion

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branched light

Physics

Soap bubbles can split light into otherworldly branching streams

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Psychedelic skies over Chile reveal the full extent of light pollution

Humans

Psychedelic skies over Chile reveal the full extent of light pollution

Regulars

Why bats and nocturnal animals hate light pollution?

Video

Why bats and nocturnal animals hate light pollution?

Video

Light-emitting fabric samples

Technology

Gold-coated fabric that emits own light could be ultimate safety gear

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Electromagnetic spectrum

Definition

Electromagnetic spectrum

Double-slit experiment

Physics

Photon trick lets you bend the rules of quantum physics

A basic rule of quantum physics is that knowing too much about an experiment will break quantum interference, but now physicists have discovered a way to bend that rule

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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

Regulars

Definition

Special relativity

Physics

New kind of light is a vortex beam that twists faster as it moves

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