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Browsing the "Technical" Category

Flying machines and falling men

February 22nd, 2012 | by Eileen De Guire

The University of Pennsylvania GRASP Lab released a video of flying robots maneuvering in swarm-like formations. The machines are called "Nano Quadrotors," to reflect their small size (about the size of a small saucer) and their four helicopter-like rotors


Ash, sand-resistant thermal barrier coatings and novel test rig

February 21st, 2012 | by Eileen De Guire

Apropos to the latest round of ash clouds spewing from the EyjafjallajökullI volcano, plus indications that some utilities are going to be building new high-temperature fast-cycle gas turbines for peak electrical power generation, we offer this video that expands on a story I first wrote about in April


Aerogels: The materials science of empty space

October 14th, 2010 | by Peter Wray

This is a great introductory 54-minute video of a lecture presented early in 2010 by Alex Gash and Dean Reese as part of Lawrence Livermore National Lab’s excellent Science on Saturday program


Ultracapacitor buses in Shanghai

October 23rd, 2009 | by Peter Wray

Sinautec Automobile Technologies is making mini and full-scale municipal buses powered only by ultracapacitors, can be recharged by a mobile recharging unit that combines large photovoltaic array and a vertical wind turbine



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