Apple is finally testing RCS encryption, but there’s a catch for Android users

Apple is finally testing RCS encryption in the iOS 26.4 beta, but for now, those secure green bubbles are sticking to iPhones ...
IEEE

MOV-RCD Snubber Design for Medium-Voltage SiC-Module Based Solid-State DC Circuit Breaker

Abstract: Because of the lack of natural zero-crossing point and the existence of line inductance in a DC power system, the huge inductive energy can result in serious dv/dt issue across a DCCB during ...
IEEE

Design of a Type B Residual Current Device for Fault Leakage Current Detection

Abstract: Residual current device (RCD) is an effective fault leakage current detection and protection device. The international standard IEC 60755 classifies RCDs into four types in accordance with ...
Health.com

What Causes Belly Button Pain and How Do You Treat It?

Umbilical hernias, appendicitis, gastroenteritis, and peptic ulcers might cause belly button pain. Belly button pain can be diagnosed with imaging scans, as well as blood, stool, and urine tests. Mild ...