The self-balancing, sprinting robot and other news

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

  • US entrepreneur Elon Musk reveals his vision for an underground network to transport cars

  • Lund University creates the world's fastest camera

  • A robot which can sprint at 10mph (16 kph) and self-balance without the need for sensors or computer processing is developed

See more at Click's website and @BBCClick.