A transformer protection relay does not replace upstream devices. It defines responsibility. By clearly assigning fault ...

A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, ...

Artificial intelligence (AI) models are being applied to almost everything, from helping people write emails to ...

The Food and Drug Administration said today it is abruptly withdrawing its proposed rule that would have created approved, standardized testing methods for detecting and identifying cancer-causing ...

MALVERN, Pa., Oct. 22, 2025 (GLOBE NEWSWIRE) -- Vishay Intertechnology, Inc. (VSH) today introduced a new series of insulated, surface-mount inrush current limiting positive temperature coefficient ...

Update: In response to reader questions, CR conducted heavy metal testing on five additional protein powders, from Clean Simple Eats, Equate, Premier Protein, Ritual, and Truvani. Much has changed ...

Testing relays is both an art and a science. As relay technicians inevitably learn in the field, pure theory-based understanding of protective relays is not nearly enough for the real-world situations ...

This is read by an automated voice. Please report any issues or inconsistencies here. California test scores show improvements from last year, with LAUSD and Compton showing particularly strong ...

I was honored to see these pages recognize that U.S. service academies will soon accept the CLT (“An ‘Oorah!’ to the Classic Learning Test,” Review & Outlook, Sept. 25). You rightly highlight both the ...

What kind of an exam provides all the questions in advance and then accepts 60% as a passing grade? That’s the U.S. citizenship civics test. Last week the Trump Administration moved to make the exam ...

This is read by an automated voice. Please report any issues or inconsistencies here. Immigration officials said they are expanding the civics test that prospective U.S. citizens must pass in order to ...

Tesla TSLA received approval to begin testing its robotaxi, an autonomous driving ride-hailing service, in the US state of Nevada. Tesla shares were up 7% at the time of writing on the news. Why it ...