CBSE class 12 math preparation 2026: Faculty tips to ace the exam

With the CBSE Class 12 Math exam on March 9, 2026, approaching, students are urged to focus on conceptual clarity and smart revision. Teachers emphasize mastering calculus, core algebra, vectors, and ...
IEEE

A CMOS Linear Low-Noise Amplifier Using Transformer-Based Second-Harmonic Trap

Abstract: This letter presents second-harmonic termination techniques for inductively source-degenerated cascode CMOS low-noise amplifiers (LNAs) with a transformer (TF)-based harmonic network. The ...

The Heart Rate Zone Formula Is Flawed, Especially For Women. Here's How To Rethink Your Training.

Watch says you’re in the red but body feels fine? You’re not imagining it. Discover why 220 minus age fails women and how to ...
IEEE

Reconfigurable Linear-to-Circular Polarization Conversion Using Liquid Crystal-Based Reflective Metasurface

Abstract: This letter presents a reconfigurable polarization converter employing a metasurface with liquid crystals (LC) to convert linearly polarized (LP) waves into either left-hand circularly ...