A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

The long-rumored tablet device we've dubbed Home Hub is imminent, and code found in an internal build of iOS 26 suggests it and another home device are being readied for release. The Home Hub codename ...

IISc physicists discovered that Ramanujan’s classic π-formulas arise naturally in modern theories describing critical phenomena and black holes. The connection suggests his early mathematics may have ...