SMRTR Science & EngineeringJun 28, 2026Hacker News

Enough Numbers to Build a Universe

SMRTR summary

Physics runs on roughly 30 fundamental constants — from mathematical values like pi to experimentally measured quantities like the speed of light and particle masses. These numbers, including the fine structure constant, gravitational constant, and Hubble constant, form the complete foundation of our current understanding of how the universe works.

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