Hermeus seems dead keen on fast-tracking its way to hypersonic passenger flight. Its uncrewed subsonic Quarterhorse Mark 1 prototype has completed its maiden flight in the skies over Edwards Air Force ...
The early-2000s Ford GT is a rare machine, but this particular GT is even rarer. That's because it's a prototype, built to validate the GT ahead of its production run for the 2005 and 2006 model years ...
In context: In 1976, Steve Jobs used this prototype to demonstrate the Apple-1 computer to Paul Terrell, owner of one of the first computer stores in the world. Terrell later placed a purchase order ...