In 1969, we landed on the moon and flew Concorde. Half a century later, we could do neither.
Blake Scholl (@bscholl) founded @boomsupersonic (YC W16), the startup building America’s first supersonic airliner, to change that.
At Startup School 2026, he shares how a cardboard mockup with Office Depot seats became XB-1, the first independently developed jet to break the sound barrier, and why founders have to build for both the worst day and the best day.
00:08 — Why the Future Stopped Moving Faster
03:14 — Why I Started Boom Supersonic
05:57 — Building a Supersonic Jet From Scratch
08:33 — The Worst Day and the Best Day
10:14 — How We Changed US Law
11:36 — How 50 People Built a Supersonic Jet
15:05 — Designing Hardware Like Software
17:54 — Financing a Multi-Billion-Dollar Startup
19:30 — Great Ideas Are Hiding in Plain Sight
24:05 — How AI Is Changing Hardware
27:16 — Working With Regulators
30:55 — Build Something You Love
36:27 — How to Build Confidence
39:35 — Learning Hard Things From First Principles
44:17 — When Should You Start a Company?
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