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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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Where did you guys hear about the RAT 7/9 mouse coming out this month? I have been waiting for it for over a year now and haven't had an update on it in four months or so. Please, if you could link me to an article or anything on where you got this date I'd really appreciate it.
Also, I plan on buying the Evo in two days. How can the price not be set? Isn't it $199 after a hundred dollar rebate?