- published: 18 Aug 2017
- views: 16214
If you've got a telescope, give the crowd a show next week. Make the eclipse bigger! Eclipse glasses are okay, but the sun is only as big as your thumbnail at arms length. That's not very big. I need something to impress some kindergartners! Hopefully the sun funnel can do it. Plans: https://eclipse2017.nasa.gov/make-sun-funnel -Patreon: http://patreon.com/PracticalEngineering -Website: http://practical.engineering Marxist Arrow by Twin Musicom is licensed under a Creative Commons Attribution License Source: https://www.youtube.com/watch?v=rBlLC8TUXP0 Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License
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"The sun never sets on the British Empire" - for years, these words of pride and optimism were used to describe the largest empire in history: Britain. At its pinnacle, the empire spanned every continent and covered one quarter of the Earth's land mass. Through the centuries, the rulers of this enormous powerhouse used extraordinary engineering feats to become an industrial and military titan, loaded with riches. Some of their many pioneering accomplishments include the world's first locomotive, a superhighway of underground sewers, the imposing and grand Westminster Palace, and the most powerful and technically advanced navy in the age of sail. As scandal, violence and drama consumed British royalty at home, the empire surged ahead with these works of engineering innovation that paved ...
What exactly is Chemical Engineering and Mineral Processing, and how does it help to shape the world around us? The video tells you more about different careers that you can end in if you study Chemical Engineering or Mineral Processing, it shows some of the facilities within the Home Department (the Department of Process Engineering at Stellenbosch University) and you get to hear from some of the lecturers and students themselves. For more info, visit http://processengineering.sun.ac.za/
Cuts in a flexible backing for solar cells allow a flat solar panel to separate into many small cells that can track the sun across the sky. Tracking provides a 20 to 40 percent improvement in the amount of energy captured by the cells. Unlike conventional, motorized sun-tracking solar panels, these could be lightweight and aerodynamic enough for residential roofs, which make up 80 percent of solar panel installations in the U.S. This video was produced by Aaron Lamoureux, a doctoral student in materials science & engineering at the University of Michigan. Kyusang Lee, a doctoral student in electrical engineering & computer sciences; Matthew Shlian, a lecturer in Art & Design; Stephen Forrest, the the Peter A. Franken Distinguished University Professor of Engineering, Paul G. Goebel Pro...
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The sun is an almost limitless source of clean energy—if only we could capture that energy effectively. Though solar cells have been around for over 50 years, so far no one has been able to make them cheaply enough and efficient enough for truly widespread use. But by starting small, using either nanocrystals or organic polymers, Hugh Hillhouse and Christine Luscombe hope to make solar cell manufacturing simpler and more reliable while adhering to green manufacturing methods. Their approach, based on abundant raw materials, also does this much more cheaply than is currently possible. Hear them describe how molecular engineering has the potential to make solar technology accessible to all. Hugh Hillhouse, Rehnberg Chair Professor, Chemical Engineering University of Washington Christine Lusc...