light

  • How do animals see in the dark?

    How is visual performance in dim light possible?

    How do animals see in the dark? On a moonless night light levels can be more than 100m times dimmer than in bright da...

    Biology December 1, 2021
  • Video

    A science poet’s guide to the galaxy - Light

    Photons, physics and the power of performance.

    When it comes to complex physics, how do you communicate? Through poetry, of course.Cosmos spoke to Rachel Rayner...

    Physics November 4, 2021
  • Here’s why this happens

    The physics behind waves that light up a beach.

    Blue waves made quite a splash along the coast off southern California earlier this year, but it’s not an unusual phe...

    Core Sciences July 7, 2020
  • Seductive light from the dark side

    A simple device for the developing world’s population.

    Researchers at the University of California, Los Angeles (UCLA), and Stanford University in the US have generated lig...

    Physics September 12, 2019
  • Colours come, colours go

    NASA satellite spots a mystery that’s gone in a flash.

    The pops of bright blue and green in this image of the Fireworks galaxy NGC 6946 show the locations of extremely brig...

    Astrophysics September 5, 2019
  • A light pulse in slo-mo

    New camera system takes four pictures every picosecond.

    If shown in real-time this video would last just 33-trillionths of a second – and, no, it’s not a screen-grab for som...

    Physics May 21, 2019
  • UV light may help birds navigate forests

    Amplifying contrast makes leaves stand out more clearly.

    It’s not only beauty that varies with the eye of the beholder. Unlike humans, birds can detect ultraviolet (UV) light...

    Birds January 22, 2019
  • Dim the lights for some natural pollination

    Aa bit of darkness has ecological and environmental benefits.

    Switching off street lights helps restore the natural behaviour of moths, scientists say, and that’s important becaus...

    Earth January 21, 2019
  • Can new lighting save the Mona Lisa?

    Visible light radiation causes slow and terrible damage to valuable artworks, but changing how Ol...

    Lighting causes damage to paintings over time. Credit: Juan Di Nella/Unsplash

    Technology January 13, 2019
  • Squeezing light a bright idea

    Researchers produce long-lived and directional “nanolight”. Nick Carne reports.

    An international team believes it has made an important breakthrough in the quest to harness light at the nano-scale....

    Technology October 28, 2018
  • Power plants as public art

    Architects reimagine an iconic Australian beachside suburb, reveals Nancy Langham-Hooper.

    Is this the aesthetic face of our energy future?The sparkling canopy draped along the beach from the roof of the Pala...

    Technology October 11, 2018
  • Light-emitting fibres overcome deafness

    Rodent proof-of-concept points the way to promising new cochlear implant. Kimberly Riskas reports.

    Scientists have developed a light-stimulated cochlear implant that shows promise for restoring hearing in deaf people...

    Technology July 11, 2018
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