Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in school, where we learn about its use in the context of a circle. More ...

Bluetooth Low Energy (BLE) radio chips are ubiquitous from Raspberry Pi to lightbulbs. BLE is an elaborate technology with a comprehensive specification, but the basics are quite accessible. A ...

Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

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 ...

Pi Network has temporarily disabled wallet payment requests after a surge in scam incidents targeting users with large balances. In a Dec. 30 post on X, the Pi Core Team warned users that scammers ...

As of December 27, 2025, Pi Network is trading sideways today, with price holding in a tight range just above the $0.20 level as buying and selling pressure remain balanced. The Price is holding near ...