Actinometer

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.

At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

An actinometer is an instrument that can measure the heating power of radiation. Actinometers are used in meteorology to measure solar radiation as pyranometers, pyrheliometers and net radiometers.

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

Image: Unknown author, Public domain, via Wikimedia Commons.