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.

For most of its 777X testing, Boeing has operated four prototypes. These aircraft are WH001 (N779XW), WH002 (N779XX), WH003 (N77XY) and WH004 (N779XZ). However, in August 2025, a fifth test aircraft ...

Hermeus has completed testing of its first fully-integrated vehicle, Quarterhorse Mk 0. This non-flying prototype acted as a ‘dynamic iron bird’ for the company by validating all major aircraft ...

Mercedes-Benz is testing prototypes of its next-generation electric vans ahead of their scheduled debut in 2026. Unlike the current eSprinter and other smaller electric models sold in Europe that are ...

World Cup Cross-Country racing has kicked off back in continental Europe, and with it comes a new batch of lightweight mountain bike prototypes engineered to go fast, and what better way to make your ...

A small board and module help you make and test devices fast. You can connect, control, and run machines for industry, IoT, and automation.

Apple uses a variety of test devices and prototypes when it is considering new iPhone features, and one such test device was recently discovered by AppleDemoYT, who shared a video today. This rare ...

Volta Trucks will test all electro-mechanical and thermal properties of its prototype Volta Zero. Volta Trucks has started engineering evaluation and development testing of the first prototype Volta ...

Tesla is nearing the production of the refreshed Model 3, known internally as "Project Highland." Prototypes of the new models have been buzzing around for some time, but none was as intriguing as ...

NASA’s CaRD project demonstrates oxygen extraction from lunar regolith using solar-driven carbothermal reduction, supporting ...