Relentless

Manufacturing 1,000s of Nuclear Reactors | Isaiah Taylor, Valar Atomics

July 1, 2026·1h 31m
Episode Description from the Publisher

Isaiah Taylor is the Founder of Valar Atomics.Valar just became the first startup in history to power an NVIDIA Blackwell with a nuclear reactor.Timestamps:0:32 Manufacturing nuclear reactors is a SpaceX style problem2:58 Scaling from 1 reactor to 104:31 Why it’s so tempting to iterate on paper instead of actually building reactors7:37 Having contact with reality - modular shielding10:09 Steel is cheaper than software engineers11:09 Why the idiot index is so high in nuclear16:02 Becoming a nuclear company18:57 It's important not to lie to yourself21:55 Obsessing over critical path 24:54 Nuclear reactors are relatively simple30:35 Safety is a function of iteration speed30:55 Why Valar had to vertically integrate35:01 Designing a Toyota Camry vs a Ferrari 38:07 Running through 1-way doors41:13 Pulling rabbits out of a hat46:13 Wartime mode48:49 Being willing to do unreasonable things51:20 How Elon injects urgency into his companies56:56 Relentlessly chasing the goal of making energy 10x cheaper58:32 What’s changed over the last 3yrs1:00:51 Designing safe nuclear reactors1:13:05 Learning from SpaceX - optimizing for scale1:18:07 Having a high tolerance for looking dumb1:19:50 How Palmer Luckey handles hit pieces1:20:55 Inevitable time1:25:26 Predicting unknown bottlenecks1:28:08 Scaling1:29:45 July 4th will be a rebirth for nuclear in the United States

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