Figure 1. A closed-circuit cooler. Photos courtesy of Evapco. It’s a common question during the early design phase of large mechanical systems: Is open- or closed-loop cooling equipment better suited ...

People with type 1 diabetes require continuous insulin treatment and must regularly measure their glucose levels. With open-loop therapies, insulin administration is manually controlled, while hybrid ...

Riders don’t care what kind of system you use. They care that it works and provides what they expect. They expect real-time updates, simple account management, and zero surprises. And public transit ...