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Unsure about a new design? Scientists and engineers often start with a model. With a model, you can test new ideas on a small-scale before going bigger. They are also cheaper, easier to produce, and ...

We've all made paper airplanes at some point in our lives. Some flew great, others... not so much. In honor of National Paper Airplane Day, we found some great paper airplane and glider templates ...

POP Projects is a collection of new and classic projects from more than a century of Popular Mechanics. Master skills, get tool recommendations, and, most importantly, build something of your very own ...