TL;DR: Derek Muller (Veritasium) takes you on a whirlwind tour of how jet engines work, from basic operation and massive fan sizes to the microscopic crystal structure of nickel superalloy turbine blades. You’ll see inside a Rolls-Royce casting facility, learn why blades don’t melt at 1,500 °C, and—finally—find out what happens if you throw sand into a running jet engine.
Along the way, he chats with experts from Cambridge, Ruhr University Bochum and beyond, and even slips in sponsor shout-outs (KiwiCo crates, Science Alert space-vacation sweepstakes, plus a new tabletop-game Kickstarter). It’s part materials science, part aviation history, all wrapped up in Derek’s signature hands-on style.
Watch on YouTube
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