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Visible spectrum

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The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. [1]

84 relations: Additive color, Afterimage, Ancient Greece, Approximation, Arthur Schopenhauer, Astronomical spectroscopy, Astronomy, Atmosphere of Earth, Bee, Blue, Blueshift, Chemical element, Color, Color vision, Colorfulness, Computer monitor, Cyan, Diffraction grating, Dispersive prism, Doppler effect, Electromagnetic radiation, Electromagnetic spectrum, Electronvolt, Experiment, Frequency, Gamut, Green, Grey, Helium, Hermann von Helmholtz, High-energy visible light, Human eye, Indigo, Infrared, Infrared sensing in snakes, Isaac Asimov, Isaac Newton, Johann Wilhelm Ritter, Johann Wolfgang von Goethe, Latin, Light, Magenta, Micrometre, Nanometre, Nectar, On Vision and Colors, Optical window, Opticks, Optics, Orange (colour), ..., Photon energy, Pink, Predation, Purple, Rainbow, Rattlesnake, Red, Redshift, Reflection (physics), Refraction, RGB color model, Roger Bacon, Scattering, Solar System, Sophist, Spectral color, Spectral line, Spectroscopy, Sun, Sunlight, Television, The Dear Hunter, Theory of Colours, Thermoregulation, Thomas Johann Seebeck, Thomas Young (scientist), Ultraviolet, Violet (color), Visual perception, Wavelength, White, William Herschel, Yellow, Young–Helmholtz theory. Expand index (34 more) »

Additive color

Additive color is a method to create color by mixing a number of different light colors, with shades of red, green, and blue being the most common primary colors used in additive color system.

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Afterimage

An afterimage is an image that continues to appear in one's vision after the exposure to the original image has ceased.

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Ancient Greece

Ancient Greece was a civilization belonging to a period of Greek history from the Greek Dark Ages of the 13th–9th centuries BC to the end of antiquity (AD 600).

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Approximation

An approximation is anything that is similar but not exactly equal to something else.

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Arthur Schopenhauer

Arthur Schopenhauer (22 February 1788 – 21 September 1860) was a German philosopher.

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Astronomical spectroscopy

Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light and radio, which radiates from stars and other celestial objects.

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Astronomy

Astronomy (from ἀστρονομία) is a natural science that studies celestial objects and phenomena.

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Atmosphere of Earth

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.

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Bee

Bees are flying insects closely related to wasps and ants, known for their role in pollination and, in the case of the best-known bee species, the European honey bee, for producing honey and beeswax.

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Blue

Blue is one of the three primary colours of pigments in painting and traditional colour theory, as well as in the RGB colour model.

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Blueshift

A blueshift is any decrease in wavelength, with a corresponding increase in frequency, of an electromagnetic wave; the opposite effect is referred to as redshift.

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Chemical element

A chemical element is a species of atoms having the same number of protons in their atomic nuclei (that is, the same atomic number, or Z).

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Color

Color (American English) or colour (Commonwealth English) is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.

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Color vision

Color vision is the ability of an organism or machine to distinguish objects based on the wavelengths (or frequencies) of the light they reflect, emit, or transmit.

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Colorfulness

Colorfulness, chroma and saturation are attributes of perceived color relating to chromatic intensity.

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Computer monitor

A computer monitor is an output device which displays information in pictorial form.

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Cyan

Cyan is a greenish-blue color.

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Diffraction grating

In optics, a diffraction grating is an optical component with a periodic structure that splits and diffracts light into several beams travelling in different directions.

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Dispersive prism

In optics, a dispersive prism is an optical prism, usually having the shape of a geometrical triangular prism, used as a spectroscopic component.

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Doppler effect

The Doppler effect (or the Doppler shift) is the change in frequency or wavelength of a wave in relation to observer who is moving relative to the wave source.

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Electromagnetic radiation

In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.

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Electromagnetic spectrum

The electromagnetic spectrum is the range of frequencies (the spectrum) of electromagnetic radiation and their respective wavelengths and photon energies.

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Electronvolt

In physics, the electronvolt (symbol eV, also written electron-volt and electron volt) is a unit of energy equal to approximately joules (symbol J).

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Experiment

An experiment is a procedure carried out to support, refute, or validate a hypothesis.

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Frequency

Frequency is the number of occurrences of a repeating event per unit of time.

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Gamut

In color reproduction, including computer graphics and photography, the gamut, or color gamut, is a certain complete subset of colors.

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Green

Green is the color between blue and yellow on the visible spectrum.

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Grey

Grey (British English) or gray (American English; see spelling differences) is an intermediate color between black and white.

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Helium

Helium (from lit) is a chemical element with symbol He and atomic number 2.

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Hermann von Helmholtz

Hermann Ludwig Ferdinand von Helmholtz (August 31, 1821 – September 8, 1894) was a German physician and physicist who made significant contributions in several scientific fields.

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High-energy visible light

In ophthalmology, high-energy visible light (HEV light) is high-frequency, high-energy light in the violet/blue band from 400 to 450 nm in the visible spectrum.

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Human eye

The human eye is an organ which reacts to light and pressure.

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Indigo

Indigo is a deep and rich color close to the color wheel blue (a primary color in the RGB color space), as well as to some variants of ultramarine.

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Infrared

Infrared radiation (IR) is electromagnetic radiation (EMR) with longer wavelengths than those of visible light, and is therefore generally invisible to the human eye (although IR at wavelengths up to 1050 nm from specially pulsed lasers can be seen by humans under certain conditions). It is sometimes called infrared light.

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Infrared sensing in snakes

The ability to sense infrared thermal radiation evolved independently in several different families of snakes.

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Isaac Asimov

Isaac Asimov (January 2, 1920 – April 6, 1992) was an American writer and professor of biochemistry at Boston University.

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Isaac Newton

Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.

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Johann Wilhelm Ritter

Johann Wilhelm Ritter (16 December 1776 – 23 January 1810) was a German chemist, physicist and philosopher.

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Johann Wolfgang von Goethe

Johann Wolfgang von Goethe (28 August 1749 – 22 March 1832) was a German writer and statesman.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Light

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.

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Magenta

Magenta is a color that is variously defined as purplish-red, reddish-purple, purplish, or mauvish-crimson.

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Micrometre

The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".

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Nanometre

The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (m).

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Nectar

Nectar is a sugar-rich liquid produced by plants in glands called nectaries, either within the flowers with which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualists, which in turn provide antiherbivore protection.

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On Vision and Colors

On Vision and Colors (Ueber das Sehn und die Farben) is a treatise by Arthur Schopenhauer that was published in May 1816 when the author was 28 years old.

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Optical window

The meaning of this term depends on the context.

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Opticks

Opticks: or, A Treatise of the Reflexions, Refractions, Inflexions and Colours of Light is a book by English natural philosopher Isaac Newton that was published in English in 1704.

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Optics

Optics is the branch of physics which involves the behaviour and properties of light, including its interactions with matter and the construction of instruments that use or detect it.

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Orange (colour)

Orange is the colour between yellow and red on the spectrum of visible light.

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Photon energy

Photon energy is the energy carried by a single photon.

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Pink

Pink is a pale red color that is named after a flower of the same name.

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Predation

Predation is a biological interaction where a predator (a hunting animal) kills and eats its prey (the organism that is attacked).

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Purple

Purple is a color intermediate between blue and red.

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Rainbow

A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky.

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Rattlesnake

Rattlesnakes are a group of venomous snakes of the genera Crotalus and Sistrurus of the subfamily Crotalinae (the pit vipers).

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Red

Red is the color at the end of the visible spectrum of light, next to orange and opposite violet.

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Redshift

In physics, redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum.

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Reflection (physics)

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.

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Refraction

Refraction is the change in direction of wave propagation due to a change in its transmission medium.

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RGB color model

The RGB color model is an additive color model in which red, green and blue light are added together in various ways to reproduce a broad array of colors.

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Roger Bacon

Roger Bacon (Rogerus or Rogerius Baconus, Baconis, also Rogerus), also known by the scholastic accolade Doctor, was an English philosopher and Franciscan friar who placed considerable emphasis on the study of nature through empiricism.

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Scattering

Scattering is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more paths due to localized non-uniformities in the medium through which they pass.

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Solar System

The Solar SystemCapitalization of the name varies.

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Sophist

A sophist (σοφιστής, sophistes) was a specific kind of teacher in ancient Greece, in the fifth and fourth centuries BC.

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Spectral color

A spectral color is a color that is evoked in a normal human by a single wavelength of light in the visible spectrum, or by a relatively narrow band of wavelengths, also known as monochromatic light.

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Spectral line

A spectral line is a dark or bright line in an otherwise uniform and continuous spectrum, resulting from emission or absorption of light in a narrow frequency range, compared with the nearby frequencies.

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Spectroscopy

Spectroscopy is the study of the interaction between matter and electromagnetic radiation.

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Sun

The Sun is the star at the center of the Solar System.

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Sunlight

Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.

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Television

Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.

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The Dear Hunter

The Dear Hunter is an American progressive rock band originating in Providence, Rhode Island.

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Theory of Colours

Theory of Colours (German: Zur Farbenlehre) is a book by Johann Wolfgang von Goethe about the poet's views on the nature of colours and how these are perceived by humans.

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Thermoregulation

Thermoregulation is the ability of an organism to keep its body temperature within certain boundaries, even when the surrounding temperature is very different.

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Thomas Johann Seebeck

Thomas Johann Seebeck (9 April 1770 – 10 December 1831) was a Baltic German physicist, who, in 1821, discovered the thermoelectric effect.

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Thomas Young (scientist)

Thomas Young FRS (13 June 1773 – 10 May 1829) was a British polymath and physician.

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Ultraviolet

Ultraviolet (UV) is electromagnetic radiation with a wavelength from 10 nm to 400 nm, shorter than that of visible light but longer than X-rays.

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Violet (color)

Violet is the color at the end of the visible spectrum of light between blue and the invisible ultraviolet.

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Visual perception

Visual perception is the ability to interpret the surrounding environment using light in the visible spectrum reflected by the objects in the environment.

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Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

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White

White is the lightest color and is achromatic (having no hue), because it fully reflects and scatters all the visible wavelengths of light.

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William Herschel

Frederick William Herschel, (Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer, composer and brother of fellow astronomer Caroline Herschel, with whom he worked.

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Yellow

Yellow is the color between orange and green on the spectrum of visible light.

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Young–Helmholtz theory

The Young–Helmholtz theory (based on the work of Thomas Young and Hermann von Helmholtz in the 19th century) is a theory of trichromatic color vision – the manner in which the photoreceptor cells in the eyes of humans and other primates work to enable color vision.

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Color spectrum, Colour spectrum, Optical light, Optical spectrum, Prismatic Colours, Refraction of Prisms and the Spectrum of Light, Visible Light Spectrum, Visible Spectrum, Visible colour spectrum, Visible frequencies, Visible frequency, Visible light spectrum, Visible radiation, Visible region, Visible wavelength, Visible-light, Visual light, Visual radiation, Visual spectrum.

References

[1] https://en.wikipedia.org/wiki/Visible_spectrum

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