Arcus cloud Arcus cloud An arcus cloud is a low, horizontal cloud formation, usually appearing as an accessory cloud to a cumulonimbus. Roll clouds and shelf clouds are the two main types of arcus. Arcus clouds most frequently form along the leading edge or "gust fronts" of thunderstorm outflow; some of the most dramatic arcus formations mark the gust fronts of derecho-producing convective systems. Roll clouds also may arise in the absence of thunderstorms, forming along the shallow cold air currents of some sea breeze boundaries and cold fronts. A shelf cloud is a low, horizontal, wedge-shaped arcus cloud. A shelf cloud
Cloud gaming Cloud gaming Cloud gaming, sometimes called gaming on demand, is a type of online gaming. Currently there are two main types of cloud gaming: cloud gaming based on "video" streaming and cloud gaming based on "file" streaming. Cloud gaming aims to provide end users frictionless and direct play-ability of games across various devices. In 2000, G-cluster demonstrated cloud gaming technology at E3. The original offering was cloud gaming service over Wi-Fi to handheld devices. Video game developer Crytek began research on a cloud gaming system in 2005 for "Crysis", but halted development in 2007 to wait until the infrastructure and