Positronium

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

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What Wikipedia says

Positronium (Ps) is a system consisting of an electron and its anti-particle, a positron, bound together into an exotic atom, specifically an onium. Unlike hydrogen, the system has no protons.

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

Image: Original: Manticorp New version by Rubber Duck (☮ • ✍), CC BY-SA 3.0, via Wikimedia Commons.