The robot spray-painted chimney and other tech news

BBC Click's Lara Lewington looks at some of the best of the week's technology news stories including:

• The robot spray printer device that painted a work of art on an abandoned power station chimney

• The US Navy launches its first fighter jet powered by electromagnetic energy

• The high-speed hyperloop completes its first journey in the Nevada Desert reaching 192mph

See more at Click's website and @BBCClick.