Two inventors have done what's been called impossible...they've built an invisible bike helmet. See this amazing device in action:

http://youtu.be/CMAhptqk-4Q

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Image of Clark Howard About the author: Clark Howard

Clark Howard is a consumer expert whose goal is to help you keep more of the money you make. His national radio show and website show you ways to save more, spend less and avoid getting ripped off. View More Articles

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