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.

An M2A3 Bradley fighting vehicle assigned to 1st Battalion, 8th Infantry Regiment, 3rd Armored Brigade Combat Team, 4th Infantry Division, advances during a live-fire exercise as part of Defender ...

How to work out a prototyping strategy that eases the transition to mass production. The advantages of using data from devices in the field to improve designs over time. How to make products more ...

The benefits of hardware prototyping. Advantages of having custom-designed prototypes. Packaging considerations to make when prototyping. Benchtop tools available for in-lab prototype assembly. The ...

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

Horizon Aircraft completed a half-scale prototype of its hybrid-electric eVTOL aircraft, the Cavorite X5, which will undergo flight testing. The Cavorite X5 uses a unique hybrid system combining a gas ...

A new Tesla Cybertruck prototype with an updated design has been spotted on the automaker’s Fremont factory test track. It’s the best look we had at the upcoming electric pickup truck in a while.

A second J-36 airframe has emerged with significant changes to its inlets, gear, and exhaust, offering clues to its state of development.

Porsche has finally unveiled its new 718 Cayman electric vehicle (EV), a model expected to set a new standard for electric ...