Get ready to dive into AC circuits! ⚡🔌 In this video, we’ll walk through how to calculate current and power in an AC circuit with a resistor. Perfect for understanding electrical concepts in action!

A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V.

Abstract: This letter presents a compact slot-array coupled terahertz (THz) detector achieving a high baseband responsivity of 10 MV/W. The core circuit of the THz detector is based on the principle ...

Thomson Reuters Enterprise Centre GmbH shot back at Ross Intelligence’s Third Circuit bid to escape a historic rejection of its fair use defense for training its AI tool on Westlaw headnotes. Ross ...

To better understand which social media platforms Americans use, Pew Research Center surveyed 5,022 U.S. adults from Feb. 5 to June 18, 2025. SSRS conducted this National Public Opinion Reference ...

The Everett McKinley Dirksen Building, home to the Seventh Circuit court, presents a glass facade that reflects nearby buildings. (Mark Rochkind/Wikipedia via Courthouse News) CHICAGO (CN) — A Seventh ...

Update: An earlier version of this story incorrectly attributed the appeals court decision. The headlines and some wording in the story have been updated to comply with USA Today Co. style. A ...

The Court of Appeals unanimously refused to stay a trial court ruling against Trump, signaling the judges believe his use of the Guard is illegal. Members of the Texas National Guard assemble in ...

Transistors, the fundamental building blocks of digital logic, are now being made just a few dozen atoms wide. At these incredibly small scales, traditional silicon fabrication faces significant ...

The 2-1 ruling is in line with most previous court decisions on Trump's invocation of the AEA. Judge Oldham wrote an extremely long, but significantly flawed, dissent. A prison guard transfers Alien ...

A grease gun is not the first item on the list when it comes to your garage toolbox. Yet, they are essential tools that add a certain feng shui to your DIY projects. In fact, grease guns are one of ...