Urchinbot could help ocean clean-up and other tech news
BBC Click's Lara Lewington looks at some of the week's best technology stories including:
UK drone pilots have until the end of November to register with the Civil Aviation Authority
US researchers say they have 3D-printed skin containing blood vessels
An UrchinBot which could eventually help in ocean clean-ups is unveiled
See more at Click's website and @BBCClick, external