Opinions expressed by Entrepreneur contributors are their own. Amazon Fire Phone, Google Glass, New Coke and Nintendo’s Virtual Boy: What do all these products have in common? They didn’t sell.

“The clients we work with whose parts must meet various certifications – UL, FAA, and MIL-spec, among others – need to have a ‘real’ part to test against their real-world challenges. RPM facilitates ...

A submarine-launched drone designed to hunt and destroy undersea mines without putting sailors in harm’s way has cleared a critical development hurdle. According to the Department of Defense’s FY2026 ...