As of the end of September, there have been 53 school shootings in the United States this year, with 27 occurring on college campuses, according to a report by CNN. That is why Duke officials ...

Measuring a system's gain and phase vs frequency need not be time-consuming; an FFT calculation based on the system's response to a single impulse provides the same information. Although some DSOs ...

Everybody remain calm; it's just a test! This Wednesday, Oct. 4, the United States Federal Emergency Management Agency (FEMA) and the Federal Communications Commission (FCC) will send notifications to ...

Your electronic devices may have alarmed you on Wednesday — and there's a reason for that. A nationwide test of the federal emergency alert system started broadcasting just before 2:20 p.m. EDT to ...

Amphibious transport dock ship USS Portland (LPD-27) conducts a high-energy laser weapon system demonstration on a static surface training target, Dec. 14, 2021. US Navy Photo The U.S. Navy plans to ...