Guest
Don Lincoln
Senior scientist at Fermilab and science communicator who has written extensively on Einstein and particle physics.
Circuit updated June 1, 2026
Every appearance, the moment worth your time
- Don Lincoln Has Spent 30 Years Looking for Dark Matter and Has Absolutely No Idea What It Is
“The bullet cluster is strong evidence that dark matter is a real thing.” 5:05
- Don Lincoln Wants You to Understand Why Time Is Weirder Than You Think
“We don't really understand what time is, which is weird. You think that that'd be something we'd understand very well, but we really don't.” 0:41
All coverage
Lex Fridman Podcast·Interviews
Don Lincoln Has Spent 30 Years Looking for Dark Matter and Has Absolutely No Idea What It Is
The Fermilab physicist makes a compelling case for something he cannot find, cannot name, and cannot stop thinking about.
Lex Fridman Podcast·Interviews
Don Lincoln Wants You to Understand Why Time Is Weirder Than You Think
A Fermilab physicist walks Lex Fridman through the history of spacetime, and the most interesting part is what nobody actually understands.