S3 Substack
Jason CarmanStories, Startups, and Science
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 74 | Founded | 2 years ago | Last Issue | 5 days ago |
| Active | |||||
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storycompany.substack.comLatest Issues
Inside the Secret PCB Factory in Massachusetts | CircuitHub
This might be the first factory in America that can build any PCB, at any volume, in days.
How did CircuitHub pull it off?
Making one circuit board can cost a thousand times more per unit than making 10,000. CircuitHub flattened that cur...
The Startup Betting Speed Beats Stealth | Hermeus
Stealth is getting more expensive every year. Hermeus is betting speed can do the job cheaper.
They went supersonic in May, and next year they’re aiming for Mach 3.
Two years after our first episode, S3 went back to New Mexico and Atlanta...
48 Hours With the People Controlling the Sky | Rainmaker
When we first visited Rainmaker in 2024, they couldn’t seed a single cloud.
Now they’re in 6 states, made 143M gallons of water last season, and just raised a $100M Series B.
S³ spent 48 hours at their Alaska R&D camp to get real answers:...
Making Rare Earths Abundant Again | Maglut
Before founding Maglut, Curtis Wu and Azhar Yerzhanova met on Hinge in New York City. After bonding over geopolitics, China’s export ban pointed them to a bottleneck they couldn’t ignore: purification, not mining.
S³ went inside their Long...
This Robot Could Fix Food Manufacturing | Chef Robotics
In less than 7 years, Chef Robotics has built and deployed robots that have assembled more than 100 million servings of food.
S3 went inside their factory to see how the technology works, and spoke with a labor representative to ask a bigg...
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