Meet Project Patchouli, an open-source drawing tablet project to 'build your own tablet from scratch'

For something intended to mimic good old pencil and paper, drawing tablets and the tech behind them are surprisingly complicated. If you fancy a crash course in how they work and want to build your ...
IEEE

Dual-Polarized Wideband Filtering Antenna Array Based on Stacked-PCB Structure

Abstract: This paper investigates a thin low-pass filtering antenna array based on dual-polarized Vivaldi elements. The low-pass filtering in the antenna elements reduces the requirement for the front ...
IEEE

A Simple ±45° Polarized Patch Antenna Array Based on Single-Sided PCB for Wi-Fi 6/6E Application

Abstract: A high-gain, broadband, and ±45° polarized patch antenna array with a quite simple configuration for Wi-Fi 6/6E application is proposed in this letter. The antenna consists of a substrate ...
National Geographic news

LED light therapy for skin is trendy—but does it work?

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...
Hindustan Times

PCB left red-faced after ICC leaves out Salman Ali Agha from T20 World Cup promotional poster: ‘We faced similar…’

The Pakistan Cricket Board (PCB) is upset with the International Cricket Council (ICC) after the governing body excluded Salman Ali Agha from the promotional poster for the upcoming T20 World Cup ...