Darkness (nonfiction): Difference between revisions
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'''Darkness''', the polar opposite of brightness, is understood as a lack of illumination or an absence of visible light. | '''Darkness''', the polar opposite of brightness, is understood as a lack of illumination or an absence of visible light. | ||
Human vision is unable to distinguish color in conditions of either high brightness or high darkness. | Human vision is unable to distinguish [[Color (nonfiction)|color]] in conditions of either high brightness or high darkness. In conditions with insufficient light levels, color perception ranges from achromatic to ultimately black. | ||
The emotional response to darkness has generated metaphorical usages of the term in many cultures. | The emotional response to darkness has generated metaphorical usages of the term in many cultures. | ||
Referring to a time of day, complete darkness occurs when the Sun is more than 18° below the horizon, without the effects of twilight on the night sky. | Referring to a time of day, complete darkness occurs when the Sun is more than 18° below the horizon, without the effects of twilight on the night sky. | ||
* [[Color (nonfiction)]] | |||
* [[Light (nonfiction)]] | |||
* [https://en.wikipedia.org/wiki/Darkness Darkness] @ Wikipedia | * [https://en.wikipedia.org/wiki/Darkness Darkness] @ Wikipedia | ||
* [https://boingboing.net/2019/10/11/the-deep-dark-is-an-art-instal.html The Deep Dark is an art installation that asks "why do we fear the dark?"] @ Boing Boing | * [https://boingboing.net/2019/10/11/the-deep-dark-is-an-art-instal.html The Deep Dark is an art installation that asks "why do we fear the dark?"] @ Boing Boing | ||
Latest revision as of 11:13, 11 October 2019
Darkness, the polar opposite of brightness, is understood as a lack of illumination or an absence of visible light.
Human vision is unable to distinguish color in conditions of either high brightness or high darkness. In conditions with insufficient light levels, color perception ranges from achromatic to ultimately black.
The emotional response to darkness has generated metaphorical usages of the term in many cultures.
Referring to a time of day, complete darkness occurs when the Sun is more than 18° below the horizon, without the effects of twilight on the night sky.
- Darkness @ Wikipedia