Vector Security has provided intelligent security solutions for more than 50 years. Headquartered in Pittsburgh, the company offers a full suite of electronic security services for residential, ...

If you'd asked us a few years ago if we’d heard of Loop Earplugs, we wouldn’t have known what you meant. After all, a device which lets you control the loudness of your surroundings seems too good to ...

Abstract: Pulsewidth modulated (PWM) current-source converters (CSCs) have been attractive for high-power adjustable-speed machine systems with low carrier ratios. However, the high-order nonlinear ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed. Chart does not reflect ...

This price reflects trading activity during the overnight session on the Blue Ocean ATS, available 8 PM to 4 AM ET, Sunday through Thursday, when regular markets are closed.