For as versatile and inexpensive as switch-mode power supplies are at all kinds of different tasks, they’re not always the ...

Efficient Power Conversion Corporation (EPC) announces the release of the EPC91109, a performance evaluation board designed to demonstrate the benefits of enhancement-mode gallium nitride (eGaN) power ...

Mirage is designed for all ambient adventures, from adding some everyday space to soundscape design and shoegaze reveries – and CTC says a stripped-down single-engine version is in the works ...

The Global Magazine of News and Ideas. A U.N. peacekeeper in a blue helmet is seen in profile as he holds the pole of a blue U.N. flag in front of a razor wire border fence.

So when I recently came across an early 1970s HP 7041A X-Y recorder while clearing out my parents’ attic, I knew that I just ...

The Magnificent Seven represent 34.1% of the S&P 500 as of May 2025, up from 12.3% in 2015. From 2015 to 2024, these seven companies achieved a 697.6% return, outperforming the S&P 500. In 2025 ...

A small-signal equivalent circuit is developed for the InGaAs/InAlAs/InP collector-up heterojunction bipolar transistor (HBT). Device S-parameters are measured in the 0.05- GHz to 40-GHz range at ...