counterfitting

China Designs Indigenous UAV Stealth Fighter, and Bootlegs Some US Models


When I hear the phrase "knock-off Chinese products", I usually think of either the bootleg DVDs I get on the subway or the cheap electronics I get in Midtown. But a new report in Defense Professionals notes that the Chinese military has channeled that same skill for replication towards closing their UAV technology gap. By simply copying US technology, China has created a stock of advanced drones, and gained the technical knowledge to create some interesting native UAVs as well.

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Anti-Counterfeiting Around the World

All across the globe, experts are devising high-tech methods to combat counterfeiters. See which world currencies are most impervious to fraud and why in our gallery of bills

Anti-Counterfeiting Around the World:
In the United States alone, there's at least $70 million in fake currency floating around. Fortunately as the technology counterfeiters use improves, so does that of the bills. Color-changing ink, special polymers and holographs are just some of the innovative technologies incorporated into today's banknotes. In 2007, the International Association of Currency Affairs picked the best new counterfeiting technologies and tactics.

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December 2009: Best of What's New

In our December issue, Popular Science names the 100 best innovations of the year: bombproof wallpaper, self-parking cars, the fastest helicopter, and 97 more. Plus inventor profiles and videos.

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