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How The Air Force Can Avoid Turning The B-21 Into An Expensive Mess Like The F-35

The United States is getting a brand-new bomber, called the B-21, for the first time since the 1990s. That’s normally the sort of thing defense-minded types like to hear, but U.S. Air Force programs of the past few decades have a tendency to go completely off the rails. These are the questions that the American…

Ultra Simple License Plate Sensor Adds Collision Protection to Any Car

If your car’s scratched and dented bumpers reveal a long history of you accidentally backing into things, you don’t necessarily need to buy a new vehicle just to get a fancy collision warning system. If you have a smartphone, and can use a screwdriver, you can easily install this license plate cover that serves as an…

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