How to save 51 billion lives for 68 cents with simple Engineering

By: Mark Rober

Published on Feb 15, 2017

Using the power of engineering and brilliant inventions to save lives!!! Great times collab-ing with Bill and Melinda Gates! You should check out the Gates Annual Letter here:

Pre-order a paper microscope here-

Read the published paper on the paper centrifuge, its cool-…

0:15– The Ocean- Andrew Applepie-
2:18– Sweet Tomorrow- Andrew Applepie-
4:21– Berlin- Andrew Applepie-
7:54– Special song written just for me- Lincoln Hoppe,

Summary: I met with Manu Prakash from Stanford to talk about 2 of his labs’ inventions the Foldscope and the Paperfuge. Combined these cost only 68 cents and they can be used to diagnose Malaria. Both of these are examples not only of simple, brilliant design, but of how engineering is used to make a positive dent in the world.



I make videos like this once a month all year long while supplies last:






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How Does Big Ben Keep Accurate Time?


By: Science Channel

Originally published on Aug 30, 2016

When parliament commissioned this clock in 1854, they insisted Big Ben be the biggest, most powerful clock in the world. It takes an hour and a half to wind this massive engineering marvel!

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Stanford bioengineers uncover the physics to a novel mode of insect flight


By: Stanford

Originally published on Mar 2, 2016

A chance observation of a water lily beetle skimming across a pond inspired researchers to investigate the mysterious and sophisticated mode of flight it employs to overcome the physical challenges of flying over water. For more info:…

Music: “Books” by Jahzzar…

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What is PLTW? An Overview


By: Project Lead The Way

Originally published on Aug 24, 2015

“What is PLTW? An Overview” offers a 360-degree view of Project Lead The Way (PLTW) and each PLTW program and captures powerful testimonies from PLTW students, teachers, and partners.

For more info visit:

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For What’s Next: The New Chromebook Pixel

By: Google Chrome (The official YouTube channel for the Chrome browser, OS, Web Store, and Chromebooks.)
Originally Published on Mar 11, 2015

The new Chromebook Pixel is the next generation in precision engineering and design.

Discover more at

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Janicki Omniprocessor: Turns Human Waste into Water and Electricity


By: thegatesnotes

Originally Published on Jan 5, 2015

Bill Gates recently got to check out the Omniprocessor, an ingenious machine designed and built by Janicki Bioenergy, which turns human waste into water and electricity. In places without good waste treatment plants, it could be a real game-changer.

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Sony — Underwater Apps — Goldie

By: Sony

Published on Aug 11, 2014

Save a fishy friend by dunking him in water. Introducing Underwater Apps for the waterproof Xperia Z1S. Learn more at

Our engineers invented new technology to let our phones know when they’re underwater. Our artists created a suite of Underwater Apps that shows what our phones can do underwater. Play with them, practice and have fun! Developers interested in furthering this new technology, visit…to get the code.

Download Underwater Apps now at…

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