Crookes radiometer

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

The Crookes radiometer (also known as a light mill) consists of an airtight glass bulb containing a partial vacuum, with a set of vanes which are mounted on a spindle inside.

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

Image: The original uploader was Timeline at English Wikipedia., CC BY-SA 3.0, via Wikimedia Commons.