Krypton, like the other noble gases, is used in lighting and photography. Krypton light has many spectral lines, and krypton plasma is useful in bright, high-powered gas lasers (krypton ion and excime
Microsoft released Windows 8 Release Preview yesterday, 31st May 2012. It's an all-new touch interface. It's a new Windows for new devices. And it's easy to try now - whether you're installing it for