WGN-TV

Illinois lawmakers approve bill limiting students’ cell phone use in class

CHICAGO (WGN) — Illinois Gov. JB Pritzker says he will sign a bill limiting students’ access to cell phones during class after it passed the Senate on Sunday. Senate Bill 2427 requires schools to set ...
IEEE

Hybrid TDOA/DOA Multiple PD Localization Using Two Arrays With KPCA-mnc-FastICA and Sparrow Search Algorithm

Abstract: Time difference of arrival (TDOA) and direction of arrival (DOA) are, respectively, applied to detect partial discharge (PD) target with ultrasonic signal. The reason why these two methods ...
Interesting Engineering

Scientists create perfectly random numbers using entangled quantum chips for first time

Two quantum chips linked through a 30-meter cooled tube enabled scientists to create certified perfectly random numbers.ETH Zurich Researchers at ETH Zurich have developed a method to generate what ...
IEEE

A 121.7-dB DR and -109.0-dB THD+N Filterless Digital-Input Class-D Amplifier With an HV IDAC Using Tri-Level Unit Cells

Abstract: The dynamic range (DR) of digital-input closed-loop class-D amplifiers (CDAs) is typically limited by the noise introduced by their resistive DAC (RDAC) or current-steering DAC (IDAC). It ...