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Content tagged with Alternative Energy
posted in March 2013
Quantum Cryptography Secures the Electrical Grid
Blog 
3/29/2013  13 comments
Los Alamos National Laboratory develops Quantum Cryptography methods to protect the electrical grid from unwanted observers.
Results: Your Opinions on a Design Ideas Forum
Engineering Materials 
3/25/2013  22 comments
Here's a summary of your ideas for starting a Design Ideas forum that poses design problems and asks for input from the community to help solve them in innovative ways. We also ask for a bit more feedback to help fine-tune things.
German Student Creates Device That Harvests Energy From Air
Blog 
3/20/2013  84 comments
A German university student has designed an energy harvester that derives energy from electromagnetic fields in the air to recharge small batteries and appliances.
NASA Starts Biofuel Flight Tests
Engineering Materials 
3/12/2013  20 comments
NASA has begun flight tests of biofuels based on nonfood plants to determine their emissions and performance effects on jet engines.
Slideshow: Automakers Roll Out Dream Cars
Features 
3/11/2013  57 comments
Nevermind all the talk of fuel efficiency mandates. Judging by product rollouts at recent auto shows, some consumers still want racy, stylish cars.
What's Your Opinion on a Design Ideas Forum?
Engineering Materials 
3/6/2013  40 comments
What do you think about starting a forum on Design News that focuses on innovative, problem-solving design ideas where individual engineers and companies can trade comments and suggestions for solving design problems?
Making the Case for Vertical Axis Wind Turbines
Guest Blogs 
3/5/2013  13 comments
The marketplace is littered with companies that have tried to make a success of vertical axis wind turbines. But not all turbine designs (and sites) are created equal.




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Much of the research on lithium-ion batteries is focused on how to make the batteries charge more quickly and last longer than they currently do, work that would significantly improve the experience of mobile device users, as well EV and hybrid car drivers. Researchers in Singapore have come up with what seems like the best solution so far -- a battery that can recharge itself in mere minutes and has a potential lifespan of 20 years.
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