How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
Physics World

Organic LED can electrically switch the handedness of emitted light

A new type of OLED can generate left- or right-handed circularly polarized light from just one form of light-emitting ...
Investopedia

Understanding How Economies Form and Drive Growth

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...
PCMag on MSN

LG Just Cranked OLED Brightness to 4,500 Nits, Taking Aim at Mini-LED

LG Display says its new 83-inch OLED panel at CES delivers eye-searing brightness without sacrificing the deep blacks OLED is ...