Everyone loves a full-wave bridge rectifier, but there’s no denying that they aren’t 100% efficient due to the diode voltage drop. Which isn’t to say that with some effort we cannot create an ideal ...

In this video, I take a deep dive into the Cayin HA-6A Mk2, a flagship tube headphone amplifier that promises to bridge the gap between delicate IEMs and power-hungry planar magnetic headphones. While ...

Over on YouTube [Lockdown Electronics] reviews an old bit of kit known as the Silicon Controlled Rectifier (SCR). Invented in the 1950s the SCR is a type of thyristor and they were popular back in the ...

A problem-plagued Houston bridge—the most expensive single project in Harris County's history—is about to enter a critical new phase of construction above one of the nation's busiest shipping channels ...

The original version of this story appeared in Quanta Magazine. All of modern mathematics is built on the foundation of set theory, the study of how to organize abstract collections of objects. But in ...

Mwale, L. and Nhlapo, B. (2026) High Voltage Direct Current (HVDC) Transmission Technology and DC Grids a Comprehensive ...

Joyce Michaud never envisioned having to surrender her Cape Cod home and the views it offered of the Sagamore Bridge. But in about a week, she’ll have to. Down the street, Dave Collins won’t have to ...

The Federal Reserve’s policy decisions in recent years have contributed to a worsening of economic inequality in America, and some of the central bank’s policymakers say it’s not a problem they can ...

The National Testing Agency (NTA) has issued the subject wise NEET 2026 syllabus on this website soon after the NMC released ...