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Science
Why Aren't Batteries Better Yet?
By Paul Adams Posted on 8.13.2008 16 CommentsPopSci reader VectorAKA2004 raises a good question: "I wonder why batteries are lagging behind portable technologies. We advance cell phones and all kinds of things so far and still barely have the power to run them. We have yet to create batteries that can efficiently store solar energy, or other renewable energy sources." What do you think? Discuss in the comments. Submit your science and technology questions to fyi@popsci.com.
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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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