It seems like a science fiction MacGuffin: it uses a purple diamond in a quartz tube exposed to an intense magnetic field. The system creates a maser, the microwave equivalent of a laser.

Fans who miss the Diamondbacks' original purple and teal team colors were no doubt thrilled at the club’s Nike City Connect 2 ...

The Diamondbacks will wear purple once again, as they revealed a new set of City Connect jerseys that harken back to the club ...

The Arizona Diamondbacks revealed their new City Connect uniforms for the 2025 season on Monday. The uniforms, which feature ...