PHYSICS of PAPER HELICOPTERS – AUTOROTATION
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PHYSICS of PAPER HELICOPTERS – AUTOROTATION

Intro Hi, I’m Nikhilesh. And I’m Kushal. We’re the TwoBrokeScientists I don’t know about you Kushal, but when I was a kid, I always wanted this helicopter to rotate as fast as possible. Really? I wanted mine to take the longest time Hmm, Wouldn’t it be great if we could somehow control the rate of […]

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The Secret of Flight 9: Different Aircraft Systems
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The Secret of Flight 9: Different Aircraft Systems

(dramatic music) (aircraft engine roaring) – [Gilbert] The Secret of Flight, a series of programs on aerodynamics. Program nine, Different Aircraft Systems. Your host is Doctor Alexander Lippisch. – You know, if you would ask somebody today to sketch up an airplane of the early days of aviation he would certainly draw up such an […]

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DLP Projector Stereolithography 3D Printer
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DLP Projector Stereolithography 3D Printer

In this video I’ll highlight some of the engineering design of this machine: the Ember Precision Desktop 3D Printer. It was manufactured and sold by Autodesk, but now discontinued. All its details, though, are open sourced and so it might well live on. There are many way to perform 3D printing, but they all have […]

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Apollo: The Alignment Optical Telescope
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Apollo: The Alignment Optical Telescope

This is a scale model of the lunar module that landed on the moon in six of the Apollo missions. I’ll share with you one tiny aspect of the module’s design that highlights the ingenuity of the Apollo engineers; it exemplifies the hundreds of thousands of decisions made in designing the Apollo spacecrafts. The part […]

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