uranium

Intermediate 🎓 Education / Academia

Definition

The radioactive silvery-grey metal (atomic number 92, symbol U) that's simultaneously humanity's worst idea and best answer to energy problems. This actinide series element powers nuclear reactors, weapons, and decades of geopolitical anxiety. It's the element that proved scientists could split atoms but perhaps never asked whether they should.

Example Usage

The nuclear facility required strict protocols for handling enriched uranium to prevent contamination and security breaches.

Source: Chemistry terminology

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