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 ...

Open-loop stepper motors have held a prominent position in automation applications over the years due to their simplicity, excellent positioning, and low cost. However, as manufacturers utilize faster ...

Closed-loop pumped-hydro storage offers more chances to minimize environmental effects on water sources and overcomes the problem of finding suitable sites. According to an Australian research team, ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

SAN DIEGO — The next advance in spinal cord stimulation (SCS) could be a closed-loop system that uses evoked compound action potentials (ECAPs) to maintain therapeutic activation, results of the phase ...

In the audio world, the debate over closed-loop versus open-loop architectures has raged on for many years. Depending on the end-application or customer preference, valid arguments for both ...

This new study of pediatric patients with type 1 diabetes from France and Belgium investigated the effectiveness of insulin delivery via closed-loop and open-loop systems. Closed-loop delivery of ...