The actual steel of the nozzle should be an alloy of iron, Rhenium, Rhodium, Niobium, and Aluminum. It must be fine grained (austenitic) and very tough. It must tolerate high heat and stay strong and hard and not crack. March 25, 2026March 25, 2026

For explosion you want a chain reaction that consumes your entire piece of U-235. March 25, 2026

I Lived on Prescott Street in Cambridge MA when I first heard this piece. My teacher at MIT was Janet Fodor, a student of Noam Chomsky. March 25, 2026

March 25, 2026

Joyous Playful People Make the Best Americans March 25, 2026

Yodel – Gentle Alpine Mountain Yodel with Timeless Nostalgic Feel March 25, 2026

March 25, 2026

Sora and Cléa Vivaldi Winter with Julien March 25, 2026

I Was Never on a Plane That Did a Cat Shot, but I did plenty of tailhook Landings. Mostly JAGs were moved by helo or by high-line. March 25, 2026

When Things Go Wrong Off the Flight Deck March 25, 2026