Computer cooling primarily happens with regular old fans blowing air through a fixed heatsink assembly. This has various complexities; fans need a relatively large amount of space, and they make a lot of noise due to the mechanical action by which they move air. YPlasma thinks it has a better way: micro-plasma actuators moving ionic wind that

Microsoft has seemingly disabled phone call activation for Windows 11, and perhaps older versions as well, making it impossible to activate Windows without an Internet connection. This is an unwelcome development for users that want to airgap their systems and enthusiasts who want to activate older versions of Windows on retro hardware.