What if you chucked sand into a jet engine? Veritasium’s latest video walks you through everything from the basic physics of jet propulsion and the sheer size of modern turbines, to the Rolls-Royce precision-casting plant where nickel-based superalloys and single-crystal blades are forged to survive temperatures north of 1,700 °C. You’ll get crystal-structure animations, deep dives into edge dislocations, and interviews with experts from Cambridge to Bochum explaining why these blades don’t simply melt under extreme heat.
The grand finale: a sand-ingestion test that proves how clever metallurgy, internal cooling channels and supersonic airflow turn gritty intrusions into harmless dust. It’s a high-octane peek behind the scenes of aerospace materials science, packed with history, expert insights and plenty of “wow” moments.
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