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.

A prototype is an early, trial version of a product/service made to test and improve ideas before the final version is created. Prototype is a preliminary, often incomplete, version of a product, ...

In a recent study published in ACS Central Science, researchers used a luciferase-independent luminescence test to investigate whether the wild-type severe acute respiratory syndrome coronavirus 2 ...

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 ...