U.S. Army Yuma Proving Ground (YPG) is at the forefront of Army transformation efforts.Conducting developmental testing of ...

US industry experts trace the evolution of PV rapid shutdown rules and outline how recent updates to UL 3741 are reshaping compliance pathways for rooftop and commercial solar in the United States.

Ryan Mayfield led an informative discussion on the history of the NEC PV Hazard Control System rules and the latest changes to the UL 3741 standard.

A hemoglobin test measures the amount of hemoglobin in red blood cells, which is essential for transporting oxygen throughout the body and carbon dioxide back to the lungs. Normal hemoglobin levels ...

Most electromagnetic actuators are rotating motors, or some variation on the theme, like servos. However, it’s possible to do linear actuation with electomagnetics, too. [Adrian Perez] demonstrates ...