The Smallest Length: Why Everything Breaks At The Planck Length

The Smallest Length: Why Everything Breaks At The Planck Length

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Shots In The Quark
777 Video Views·Jan 9, 2026

Quantum Gravity, Episode 1

Is there a smallest possible length? Is spacetime continuous like a smooth fabric, or is it made up of "atoms"?

The Planck Length is the smallest length at which our current laws of physics still work. How do we know this? Watch the video to find out why quantum mechanics and general relativity predict that any lengths smaller than the Planck Length are hidden behind black holes.

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