Radiant energy

Rarity: Uncommon

A topic a little better known than average, read and translated beyond its own country.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

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Notion

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Science and technology

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What Wikipedia says

In physics, and in particular as measured by radiometry, radiant energy is the energy of electromagnetic and gravitational radiation. As energy, its SI unit is the joule (J). The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time.

Excerpt from the Wikipedia article “Radiant energy”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Apteva, CC BY-SA 3.0, via Wikimedia Commons.