MARTHA’S VINEYARD, MA — This geothermal rescue was for a closed loop geothermal system that was seriously overheating during the cooling season. This system had ten vertical loops that served 11 heat ...

Step motor control offers a powerful alternative in the right applications. Step motors are popular first and foremost because they are easy to use. They do not require an encoder to maintain their ...

Researchers have used computer models of closed-loop geothermal systems to determine if they would be economically viable sources of renewable energy. They found that the cost of drilling would need ...

PORTLAND, ME — Contractors prefer closed loop heating and cooling systems for many projects to prevent cross-contamination from external sources. Neglecting maintenance, however, can wreak havoc on ...

From adaptive brain stimulators to self-monitoring orthopedic implants, researchers are building intelligent medical devices that sense, decide, and treat, closing the loop between diagnosis and ...