Whether a device is a Mac, iPhone, or iPad, every piece of hardware Apple makes needs to go through several prototype and development stages. Here's what that looks like, and what Apple calls each ...

Overseen by the 717th Test Squadron and the Arnold Engineering Development Test Complex, the ground-based fire of the Sentinel’s second stage rocket motor was “conducted in a vacuum chamber to ...

Transitioning to clean energy alternatives such as solar farms, wind power or battery energy storage is important for achieving a sustainable and low-carbon future. Yet, the development of renewable ...