ETNA, Ohio — A semi-truck driver's failure to respond to slowed traffic on Interstate 70 in Central Ohio triggered a deadly chain-reaction crash involving a chartered school motorcoach, two passenger ...

Abstract: This paper presents a capacitor-isolated light-emitting diode (LED) driver with inherent current-balancing capability. Based on a series resonant converter, the resonant capacitor can be ...

Abstract: The definition of ingress protection (IP) rating is a classification that must be declared by the manufacturer for both the LED drivers and all other electronic devices. This definition ...

Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

MONONA, Wis. (WFRV) – An officer sustained serious injuries when a tow truck that was being pursued by multiple law enforcement agencies in southern Wisconsin crashed into their squad car during a ...