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.

How do you close the gap between I wonder and I know? You make a prototype. A prototype is a tool that gives you a chance to investigate your ideas and explore what could, should, or would come next, ...

The final phase of the TE-1 project put the working prototype through testing for the first time, managing results that uphold initial claims of game-changing tech, but a production electric ...

Tesla has been spotted testing a Model 3 prototype with what appears to be a new camera setup. Is Tesla preparing a new vision rig for its next vehicles? While most other companies working on ...

At the PARI Hypersonics Advanced Manufacturing Technology Center (HAMTC), from left: Nate Humbert, lead additive manufacturing engineer, GE Additive; Will DeVerter, aeronautics and astronautics ...

I put a memory card in the camera and it just...disappeared. Reviewing camera prototypes is never boring ...

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, ...

Radian Aerospace’s subscale prototype for its Radian One space plane sits on a runway in the United Arab Emirates. (Radian Aerospace Photo) Seattle-based Radian Aerospace has finished the first round ...

To show that love of the ultimate driving machine is forever and not relegated to selling merchandise or holiday cards, BMW has unveiled something it calls the Heart of Joy—a little black box full of ...

Tesla is gearing up for its October 10 Robotaxi unveiling, which will take place at Warner Bros. Studio, and it’s currently running a fleet of (normal) cars around the lot to map the area. But one of ...