← All stories
Science

Dark Energy Prediction Off by Factor of 10 to 120th Power

By Egleze Editorial Desk · Published May 29, 2026 · Lex Fridman Podcast · #497 – Biggest Mysteries in Physics: Antimatter, Dark Energy & ToE – Don Lincoln
Dark Energy Prediction Off by Factor of 10 to 120th Power
Lex Fridman Podcast
Lex Fridman Podcast
#497 – Biggest Mysteries in Physics: Antimatter, Dark Energy & ToE – Don Lincoln

What was said

"We can calculate what the density of energy is due to quantum field theory. And that number is the rather embarrassing 10 to the 120 power times, that's a 1 with 120 zeros after it, bigger than the measurement of dark energy."

Lincoln describes what he calls the worst prediction in physics: quantum field theory's vacuum energy calculation exceeds observed dark energy density by 120 orders of magnitude. Even if new physics appears at current accelerator energies—cutting the discrepancy to 10^60—the gap remains catastrophic. He suggests an unknown field may cancel most vacuum energy but leave the observed small residual, though perfect cancellation is theoretically easier than imperfect.

Verification status

Attributed speaker claim

Egleze verified who said this and where. The underlying claim has not been independently established by Egleze.

Source and context

Egleze verified who said this and where. The underlying claim has not been independently established by Egleze.

Programme
Lex Fridman Podcast
Episode
#497 – Biggest Mysteries in Physics: Antimatter, Dark Energy & ToE – Don Lincoln
Clip time
2:15:21
Original source
Watch the source segment →
From this episode
Lex Fridman Podcast
Lex Fridman Podcast

#497 – Biggest Mysteries in Physics: Antimatter, Dark Energy & ToE – Don Lincoln

May 29, 2026 · 5 Egleze moments
Read episode summary and key points →

More moments from this episode

ScienceFermilab Scientist Says Superstring Theory Probably Wrong Despite Mathematical Elegance→SciencePhysicist Predicts Theory of Everything Still 500 Years Away Despite Optimists→ScienceCERN Experiment Confirms Antimatter Falls Down Not Up in Gravity Test→ScienceAntimatter Bomb Would Cost 1.5 Quadrillion Dollars Per Megaton Yield→
More stories More from Lex Fridman Podcast