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Flying around with your own personal jet engine, strapped to your back, has been one of the hallmarks of futurism for decades. Which sucks, because futuristic stuff is supposed to eventually happen. So why the hell aren't we all flying to work via rocket power? Because you're about as aerodynamic as a potato, my friend. Here are five reasons the jet pack just hasn't happened yet, despite announcements that "a practical jetpack" will be on the market soon. More »
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