Solid light

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Solid light, often referred to in media as "hard light" or "hard-light", is a hypothetical material, made of light in a solidified state. It has been theorized that this could exist,[1][2] and experiments claim to have created solid photonic matter or molecules by inducing strong interaction between photons.[3][4][5] Potential applications of this could include logic gates for quantum computers,[4] and room-temperature superconductor development.[3]

Experiments[]

In theory, photons, the particles that make up forms of electromagnetic radiation like light, may be attracted in a nonlinear medium.[6]

The MIT-Harvard Center for Ultracold Atoms conducted experiments in the 2010s. Single photons were fired from weak lasers into a dense cloud of rubidium cooled to near absolute zero. The speed of light in the cloud was about 100,000 times slower than in a vacuum. Within the cloud, photons lost energy and gained mass. The conditions allowed photons to attract and bind to other photons, and exit the cloud as molecules. Reportedly, photon pairs were observed in 2013, and triplets in 2018.[4][5]

Fiction[]

Solid light appears in many video game franchises, including Halo, Portal, Destiny and Overwatch.

Probably the most prominent examples of solid light are the holograms and holodecks from Star Trek and its multiple spin-offs and sequel series. Ranging from city-sized holographic environments and realistic, edible, nutritious food, to entire holographic people, with observed-sentience and individual personalities. The widespread use of holograms and replicated materials (replicators and holograms seem to share a base technology in the Star Trek universe) make it the most widely known and advanced form of solid light represented in fiction.[7][non-primary source needed]

In "Red Dwarf" the character Rimmer is a hologram who obtains a hard light drive, allowing him to touch and feel while being almost indestructible. In Steven Universe, the Gems are a fictional alien race consisting of magical gemstones that project humanoid physical bodies made of solid light. In the webseries RWBY, the character Velvet Scarlatina uses a handheld camera to 3D print photographed weapons, made out of hard-light Dust. In DC Comics's Green Lantern, the various Lantern Corps use solid light constructs. It is also portrayed in The Lightbringer series by fantasy author Brent Weeks[citation needed] and in Dr. Strange.[citation needed]

See also[]

References[]

  1. ^ University of Melbourne (7 May 2007). "Could Light Behave As A Solid? A New Theory". ScienceDaily. Retrieved 30 January 2016.
  2. ^ Raftery, J.; Sadri, D.; Schmidt, S.; Türeci, H. E.; Houck, A. A. (8 September 2014). "Observation of a Dissipation-Induced Classical to Quantum Transition". Physical Review X. 4 (3): 031043. arXiv:1312.2963. Bibcode:2014PhRvX...4c1043R. doi:10.1103/physrevx.4.031043. ISSN 2160-3308.
  3. ^ Jump up to: a b Freeman, David (16 September 2014). "Scientists Say They've Created A Freaky New Form Of Light". The Huffington Post. Retrieved 30 January 2016.
  4. ^ Jump up to: a b c Reuell, Peter (27 September 2013). "Seeing light in a new way". Harvard Gazette. Retrieved 30 January 2016.
  5. ^ Jump up to: a b Chu, Jennifer (15 February 2018). "Physicists create new form of light". MIT News. Retrieved 2 January 2021.
  6. ^ Firstenberg, Ofer; Peyronel, Thibault; Liang, Qi-Yu; Gorshkov, Alexey V.; Lukin, Mikhail D.; Vuletić, Vladan (25 September 2013). "Attractive photons in a quantum nonlinear medium" (PDF). Nature. Springer Science and Business Media LLC. 502 (7469): 71–75. Bibcode:2013Natur.502...71F. doi:10.1038/nature12512. hdl:1721.1/91605. ISSN 0028-0836. PMID 24067613. S2CID 1699899.
  7. ^ https://www.startrek.com/article/meet-the-man-behind-the-holodeck-part-1


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