Super Hydrophobic Surface and Magnetic Liquid - The Slow Mo Guys

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Super Hydrophobic Surface and Magnetic Liquid - The Slow Mo Guys
Gav and Dan are in the GE lab using nanotechnology to show you cool liquid physics at 2500fps.
The first experiment shows a superhydrophobic surface that GE has been working on. Surfaces like this can be useful in aviation and wind power to reduce ice build-up or for self-cleaning applications. The surface traps a layer of air using its nanoscopic structure, which prevents water from sticking.
The second experiment also demonstrates how the nanoscale differs from the macroscale, this time with iron filings. Iron filings at the macroscale can be easily distinguished from the liquid they are in. When reduced to the nanoscale, magnetic nanoparticles can behave like a liquid magnet. Gav and Dan demonstrate this by showing magnetic liquid flowing upwards against gravity towards a magnet.

Links to GE videos:
MEMS - http://www.youtube.com/watch?v=0PSdWSY_3m4
Cold Spray - http://www.youtube.com/watch?v=1AdKVTzfTc8

Follow Gav on Twitter - https://twitter.com/gavinfree
Follow Dan on Twitter - https://twitter.com/danielgruchy

Super Hydrophobic Surface and Magnetic Liquid - The Slow Mo Guys
Filmed on a Phantom Flex at 2500fps
Video Added on : 07 Jan 2014 00:36 am
Video Posted Under : Science Videos

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