CT Mirror’s independent, nonprofit journalism depends on reader support. Metro-North’s train service in Connecticut is challenging because of a technological quirk of fate: ours is the only commuter ...

Batteries aren't one-size-fits-all, and neither is the way they're wired to your house. Here's what you should know about AC- and DC-coupling. When we think about solar panels and batteries, we don't ...

DC Motors were king in industry up until the late 1980s; These motors were popular because they were able to run to a variable speed setpoint, and they could run at full torque from stall to base ...

High-voltage direct current (HVDC) technology offers several advantages compared to alternating current transmission systems. For example, it allows more efficient bulk power transfer over long ...

Norfolk Southern didn’t mind being late to the AC-traction party. And NS wasn’t just fashionably late, either. As Burlington ...

At the 1893 Chicago World’s Fair—held in celebration of the 400th anniversary of Columbus' discovery of the American continent—as U.S. President Cleveland pressed a button, 250,000 light bulbs lit up ...

Some applications require the monitoring of power applied to a system. Microchip Technology addressed this need with the MCP39F511A, a highly integrated, single-phase power-monitoring IC intended for ...