(Phys.org)—A significant percentage of the costs of wind energy is due to wind turbine failures, as components are weakened under turbulent air flow conditions and need to be replaced. The challenge for the team was to ...
Energy & Green Tech
Feb 12, 2013
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A small, two-wheeled robot has been driven by a male silkmoth to track down the sex pheromone usually given off by a female mate.
Robotics
Feb 5, 2013
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(Phys.org)—When you open your door on a cold winter day, the warm air from your home and the cold air from outside begin to mix and evolve toward thermal equilibrium, a state of complete entropy where the temperatures outside ...
Researchers from the University of Seville (Spain) have used mathematical tools to assess what has been known for centuries: the temperature inside the typical Mediterranean courtyard is cooler than that of the street. Though ...
Energy & Green Tech
Oct 15, 2012
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EU-funded researchers evaluated control techniques of air flow over aeroplane wings during supersonic flight. The optimal wing design developed should lead to important reductions in noise, emissions and fuel consumption.
Engineering
Oct 10, 2012
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Animals that move backwards usually require a lot of energy, so Nir Sapir from the University of California Berkeley, USA, was surprised when he realized that hummingbirds execute this maneuver routinely. Wondering how hummingbirds ...
Plants & Animals
Sep 27, 2012
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(Phys.org)—An airplane's vortex generators, which look like small fins on its surface, improve the plane's aerodynamics similar to the way in which the dimples on a golf ball improve the ball's aerodynamics: by delaying ...
Engineers rely on sophisticated simulation software to understand how air and other fluids flow over objects like an airplane wing or a golf ball. The software typically maps the air and object to a three-dimensional array ...
Software
Aug 2, 2012
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(PhysOrg.com) -- On Feb. 29, NASA successfully conducted another drop test of the Orion crew vehicle's entry, descent and landing parachutes high above the Arizona desert in preparation for the vehicle's orbital flight test ...
Space Exploration
Mar 2, 2012
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At the CeBIT in Hanover, Karlsruhe Institute of Technology and the FZI Research Center for Information Technology will present innovations for our everyday life in the future. At the joint stand G33 in hall 26, a humanoid ...
Robotics
Feb 24, 2012
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