Technology Lumiere’s Train gets 4K treatment and other news

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

• Ride-hailing firm Uber receives a permit to test self-driving cars on public roads in California, nearly two years after one of its cars was involved in a fatal crash in Arizona
• Scientists successfully test a device that prints a bio-ink skin onto wounds
• Artificial intelligence gives the Lumiere Brothers famous film of a train a 4K update

See more at Click’s website and @BBCClick