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This pistonless engine runs on hydrogen and revs to 25k rpm
submitted by Optimus85 from youtube.com
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Tesla Turbine | The interesting physics behind it (9 minutes)
submitted by Tiwaking from youtube.com
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The Insane Engineering of James Webb Telescope (31 minutes)
submitted by Tiwaking from youtube.com
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NYC's Citicorp Center Skyscraper Saved By A Student
submitted by JasonCarswell from self.engineering
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