The Ghan Katherine and Darwin; the stops at Alice Springs and Katherine allow time for passengers to take optional tours. Each train has 16 to 38 stainless steel carriages, built by Comeng, Granville, in the late 1960s / early 1970s for the "Indian Pacific", plus a motorail wagon. A Pacific National NR class locomotive, plus a second locomotive if necessary, usually hauls the train, but occasionally other engines assist, such as an AN class or a DL class locomotive. Starting in August 1929, "The Ghan" ran on the Central Australian Railway, originally built as a narrow-gauge railway to Alice Springs. In 1957,
Robot as a service in computer science education. RaaS uses existing services to compose different applications at workflow level, which significantly reduce the learning curve of robotics programming. Robot as a service Robot as a service (or Robotics as a service, RaaS) is a cloud computing unit that facilitates the seamless integration of robot and embedded devices into Web and cloud computing environment. In terms of service-oriented architecture (SOA), a RaaS unit includes services for performing functionality, a service directory for discovery and publishing, and service clients for user's direct access. The current RaaS implementation facilitates SOAP and RESTful communications between RaaS units and