Sea-like robots float at Tate Modern and other tech news

BBC Click’s Jen Copestake looks at the best of the week’s technology news stories including:

  • The US becomes the largest bitcoin miner in the world after regulations banning the practice in China come into effect
  • Australia’s space agency announces its first mission to the Moon in a collaboration with Nasa
  • Sea-like robotic creatures float above visitors at London’s Tate Modern museum

See more at Click’s website and @BBCClick