Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...

Johannesburg's air quality has never really been measured systematically. Like many other cities across the globe, scientists ...

Near-infrared spectroscopy, or fNIRS, offers a way to monitor brain activity without surgery or radiation by tracking changes in blood flow and oxygenation. Light sources placed on the scalp send near ...

Governments are blocking the internet, banning social media posts and cutting access to commercial satellite images. But ...