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    April 2013: How It Works

    For our annual How It Works issue, we break down everything from the massive Falcon Heavy rocket to a tiny DNA sequencer that connects to a USB port. We also take a look at an ambitious plan for faster-than-light travel and dive into the billion-dollar science of dog food.

    Plus the latest Legos, Cadillac's plug-in hybrid, a tractor built for the apocalypse, and more.


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    Rebecca Boyle | Email
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