Magnetic monopoles are hypothetical particles with a single magnetic charge — north without south. Predicted by grand unified theories, they may be incredibly massive and could bind together into “magmatter,” an ultra-dense material stronger than anything known in nature.

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Credits:
Magnetic Monopoles & Magmatter – The Strongest Material That Might Exist
Written, Produced & Narrated by: Isaac Arthur
Select imagery/video supplied by Getty Images

Chapters
0:00 Intro
4:52 What Magnetic Monopoles Would Do
10:30 Magmatter: Matter Without Atoms
18:48 Nokia 3310
19:55 What You Could Build — and What It Would Cost