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Roland Piquepaille (1,126 results)
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- ZDNet Author Biography
Roland Piquepaille passed away in early January 2009. He lived in Paris, France, and spent most of his career in software, mainly for high performance computing and visualization companies, working for example for Cray Research and Silicon Graphics. He left the corporate world in 2001 after 33 years immersed...- more about Roland Piquepaille »
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- Giant rubber snakes to capture wave power?
- UK researchers have developed a prototype of a future giant rubber tube which could catch energy from sea waves. The device, dubbed Anaconda, uses 'long sea waves to excite bulge waves which travel along the wall of a submersed rubber tube. These are then converted into flows of water passing...
- Blog posts 2008-07-06
- Diamonds are jet engines' best friends
- You certainly know that birds are enemies of jet engine turbine blades. But these jet engines have another nasty foe: sand. Even if the turbine blades are protected with thin layers of thermal barrier coatings TBCs, they operate at very high temperatures. When a sand storm hits a blade, grains...
- Blog posts 2008-03-24
- Interconnecting wind farms
- Wind power is one the world's fastest growing electric energy source, but as wind is intermittent, a single wind farm cannot deliver a steady amount of energy. This is why scientists at Stanford University want to connect wind farms to develop a cheaper and reliable power source. Interconnecting wind farms...
- Blog posts 2007-11-23
- Hydrogen turbines generate clean electricity
- The Lawrence Berkeley National Laboratory LBL has developed near-zero-emission gas turbines using pure hydrogen as a fuel. But because this LSI (low-swirl injector) technology also can use other fuels, it has the potential to help eliminate millions of tons of carbon dioxide and thousands of tons of nitrous oxides NOx...
- Blog posts 2007-08-03
- Eco-friendly ice creams
- According to The Scotsman, Mackie's of Scotland has bought 3 wind turbines for £2.5 million to produce ice creams made with 100% renewable energy. The two new turbines ('Ice' and 'Cream') will join the existing one ('Mackies') and make enough 'green' electricity to produce every tub of ice cream sold...
- Blog posts 2007-07-07
- Power, water and refrigeration in one box
- Engineers at the University of Florida have developed and built a system that can provide power, water and refrigeration from a single unit. This project, funded by the U.S. Army, will lead to units small enough to fit inside a military jet or a large truck. The prototype system is...
- Blog posts 2006-08-04
- A new tidal generator design
- What happens if you run an electric motor backwards? In short, it stops being a motor and becomes a generator. Following this principle, researchers at the University of Southampton have built a new kind of tidal stream generator. Their simple and elegant design has fewer parts than most current tidal...
- Blog posts 2006-06-22
Additional Resources
- Fly the green skies at Mach 5
- The European Union has launched in 2005 its Long-Term Advanced Propulsion Concepts and Technologies project LAPCAT. Several companies worked on this €7 million EU-funded project. For example, Popular Science reports that Reaction Engines Limited has designed an hydrogen-powered hypersonic airliner simply dubbed A2. This plane would fly at Mach 5...
- Blog posts 2008-01-31
- NASA fights wildfires from the sky
- Last week, I wrote that NASA was checking coastal waters from space. It seems that NASA wants to appear as a very environmental-friendly organization. It is helping the U.S. National Oceanic and Atmospheric Administration NOAA with airplanes monitoring great lakes algae. It also is collaborating with the U.S. Forest Service...
- Blog posts 2007-09-03
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