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Also known as lights, near-visible light, near-visible spectrum, near-visible electromagnetic radiation, light wave

radiasi elektromagnetik dalam atau dekat spektrum tampak

OverviewAI-generated

Light is an electromagnetic wave and optical radiation that is the opposite of darkness. It has a speed of 299792458 and is composed of photons. The subject possesses a spectrum and is studied by optics. It is distinct from the visible spectrum.

Light has uses in the visual system, photosynthesis, art, and video art. It is referenced by 2,312 other encyclopedia articles. The topic appears on the Wikipedia:List of articles all languages should have and Wikipedia:Vital articles/Level/4. It is described by sources including the Brockhaus and Efron Encyclopedic Dictionary, Encyclopædia Britannica 11th edition, Oxford English Dictionary, and Monash University.

Synthesized by Vinony from 17 facts across 3 sources: Wikidata, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Research

1,257,782 papers

[Artificial light at night].ReviewUgeskrift for laeger · 2026Jensen CN, Madsen HØ, Martiny K et al.DOI: 10.61409/V06250466
What is light? The visible spectrum and beyond.ReviewEye (London, England) · 2016Sliney DHDOI: 10.1038/eye.2015.252
Seeing the Light: Perception and Discrimination of Illumination Color.ReviewAnnual review of vision science · 2025Hurlbert A, Yu CDOI: 10.1146/annurev-vision-121423-013755
Dark matters: effects of light at night on metabolism.ReviewThe Proceedings of the Nutrition Society · 2018Nelson RJ, Chbeir SDOI: 10.1017/S0029665118000198
Light behind bars: how light impacts mental health in prisons.ReviewInternational journal of prison health · 2025Urrutia-Moldes ADOI: 10.1108/IJOPH-11-2024-0074
Effects of outdoor artificial light at night on human health and behavior: A literature review.ReviewEnvironmental pollution (Barking, Essex : 1987) · 2023Wang T, Kaida N, Kaida KDOI: 10.1016/j.envpol.2023.121321
Light wavelength and pulsing frequency affect avoidance responses of Canada geese.PeerJ · 2023Lunn R, Baumhardt PE, Blackwell BF et al.DOI: 10.7717/peerj.16379
Light-emitting diodes (LED) for domestic lighting: any risks for the eye?ReviewProgress in retinal and eye research · 2011Behar-Cohen F, Martinsons C, Viénot F et al.DOI: 10.1016/j.preteyeres.2011.04.002

Wikidata facts

Subclass of: optical radiation
Has part: photon
Image: Emanation.png
Speed: 299792458
Has use: video art

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Commons category: Light
opposite of: darkness
Commons gallery: Light
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
studied by: optics
has characteristic: spectrum
described by source: Monash University
Stack Exchange tag: astronomy.stackexchange.com/tags/light

Sources (6)

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Gallery (30)

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