It’s just a fact of life. A BJT wired in common emitter, even after compensating for the effects of device and temperature variations, still isn’t a perfect current source. Figure 1 Current mirror ...

CINCINNATI, Ohio – We’ve all heard warnings about BPA, a chemical found in plastics and personal care products. Studies show that nearly 90% of Americans have detectable levels of BPA in their bodies.

Researchers wanted to quantify how much charge a jumping parasitic roundworm needed to latch on to its fruit fly host.Credit...By Victor M. Ortega-Jimenez Supported by By Alexa Robles-Gil For small ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

Update: This list has been updated with the latest solid-state battery developments at Toyota and Rimac Technology. Talk to any battery executive, and they’ll tell you lithium-ion batteries have a ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Dirty power is a loose term for alternating current (AC) that can vary in voltage and ...

NEW STRAITSVILLE, Ohio — American Electric Power, the parent company of AEP Ohio, announced record second-quarter earnings last month. It comes at a time when Ohio customers say they are receiving ...

As the story goes, the rock band AC/DC took its name from a label on an old sewing machine in the Young brothers’ home. It must have meant that the machine could run on either alternating-current or ...

A fan might feel like a lifeline in a heatwave, and for older adults it may be of some help – but not as much as it might seem. A new study has found that while high-speed fan use slightly reduced ...