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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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from Ashland, Oregon
I love that the (Back) picture of the A7 shows more of the backside of the model than it does the car...
NOT ONE of these cars is aerodynamic, even passively. Oh yes, there is such a thing as active aerodynamics, too, squirt that jet of air forward! Why these simpletons fail, fail, fail, and fail to create aerodynamic automobiles is why we import oil instead of exporting it. Enclose those wheel wells, boys! Ladies, get a boat tail on those rolling things, slick up the body and its underside as well. Just bend the metal better and viola!
The new beetle is baaaad, love the beefier, lower, hotter profile and stance. The new People Wagon is here and I want it!
Why do they even bother to make "concepts"? Don't tell me it's to test the look of an automobile, the final product never resembles a "concept" vehicle even slightly, it's a waste.
Still nowhere even close to the Audi in I, Robot.