Abstract: Pulse-width modulation (PWM) is a foundational concept in modern power electronics, typically realized by the high-frequency switching of power semiconductor devices, such as ...

SAN ANTONIO – Cutting back on electricity use this weekend will not only help protect the power grid but also keep your electric bills from climbing. With below-freezing temperatures expected to ...

CHICAGO (WLS) -- Absenteeism increased dramatically not only at Chicago Public Schools, but school districts around the country following the COVID-19 pandemic. A new University of Chicago study has ...

Who we are is not something that needs to be fixed. Yet for thousands of gay, lesbian, bisexual, and transgender young people across the U.S., conversion therapy continues to send the dangerous ...

Chicago Public Schools’ watchdog released its annual report Wednesday, detailing dozens of the more than 1,200 complaints it received between July 2024 and June 2025. The report addressed accusations ...

Chicago Public Schools' Office of Inspector General released its annual report Wednesday, with a large portion devoted to what the inspector general called "pervasive" and widespread allegations of ...

CHICAGO (WLS) -- Chicago's part-elected, part-appointed school Board voted to raise property taxes. While it's a small amount, some Board members say any amount is too much during a time when some ...

A child advocate and a former CPS student urged the Chicago Board of Education this week to "do better" when it comes to costly settlements involving teacher sexual misconduct. Tania Haigh, the ...

The Seattle Seahawks tied the Los Angeles Rams in the fourth quarter off one of the strangest plays you'll ever see ... and yet another reminder to play through the whistle. Down 30-28 with 6:23 left ...

A San Antonio-based public energy company is offering local taxing entities millions of dollars in lieu of property tax payments for a pair of area power plants. The city of Corpus Christi took CPS ...

Sign up for TPR Today, Texas Public Radio's newsletter that brings our top stories to your inbox each morning. After a long, hot spring and summer, some CPS Energy ...

To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Preview this article 1 min San Antonio's public utility ...