photons

  • 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
  • Research

    In search of that quantum advantage

    Studies suggest we may be getting a little closer.

    December is a hectic time of year for everyone, but quantum physicists seem to be especially busy. In particular, two...

    Core Sciences December 17, 2020
  • How many photons in the universe?

    Calculations reveal enormous number, but with dim effect.

    Given that everything started from a singularity, it should not really be a surprise that the number of photons produ...

    Physics November 29, 2018
  • The secret of solar sails

    Solar sails could let spacecraft take a free ride on the solar wind, writes Andrew Masterson.

    Star Wars tragics will of course be aware that solar sails are deployed on several spacecraft in George Lucas’s ficti...

    Space May 8, 2018
  • Bonded photons present a new form of matter

    Photons have been made to group together as pairs and triplets.

    The invention of real life Star Wars-style light sabres just got a tiny little bit closer – but would-be Jedi shouldn...

    Physics February 18, 2018
  • The light, and winding roads

    Photons average the same distance regardless of obstacles.

    A beam of light, as we know, moves in a perfectly straight line in a vacuum (give or take the odd bit of gravitationa...

    Physics November 20, 2017
  • New quantum entanglement record

    Successfully entangled 16 million atoms with a single photon.

    Your average cat contains more than a hundred million billion billion atoms. So that’s how many atoms would need to b...

    Physics October 20, 2017
  • Photons and phonons combine for quantum solution

    Collective vibrations in silicon crystals could provide memory for quantum computers, writes Mich...

    Vibrations in crystals can obey the laws of quantum mechanics and might be used to store information in quantum compu...

    Technology September 21, 2017
  • Photons make quantum computers stronger

    A way to make more stable tools for quantum computing.

    Researchers using off-the-shelf telecommunications equipment have created a 100-dimensional quantum system from the e...

    Physics June 29, 2017
  • Physicists breed Schrödinger’s cats

    In hopes to find boundaries of the quantum realm.

    Entangled cats? Stranger things could happen if quantum rules scaled up to the everyday world. Credit: Ryan Schneider...

    Physics May 1, 2017
  • A 600-year-old quantum experiment in the stars

    To dictate how entangled photons on Earth were measured.

    Physicists have used the light of stars some 600 light-years from Earth to validate a bizarre quantum phenomenon Albe...

    Physics February 16, 2017
  • Sun's own light may be slowing its surface spin

    Is this the answer to a 20-year mystery?

    More than 20 years since mystified solar physicists saw the surface of the sun spinning slower than its insides, we m...

    Physics February 6, 2017
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