Military engineers have spent generations developing unconventional inventions to solve problems that ordinary weapons and vehicles could not overcome. Some ideas looked ridiculous at first, while ...

A look at five innovative inventions and tools.

This article was originally published on August 19, 2022. When chemist Harry Coover tried to create clear plastic precision gun sights to help soldiers aim during World War II, the result was the ...

A wide variety of everyday, essential devices and practices still used today have roots in the nation’s capital. Innovations such as the first message sent by telegraph, the first-ever instance of ...