Excitonium: New form of matter discovered 50 years after it was first theorised

Scientists have identified a new form of matter, the existence of which has been theorised for 50 years.

The substance is known as “excitonium”.

It is made up of excitons – unusual particles made up of an escaped electron and the hole it has left behind in a material.

Link: https://www.independent.co.uk/news/science/excitonium-matter-new-form-discover-theory-exist-50-years-physics-a8104406.html

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