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When cars fly

Taxi app Uber has for the future of ride-sharing: flying cars. It intends to have a network of “on-demand urban air transportation”, called Elevate, within a decade. Uber laid out its vision in a . Step one: someone has to make the vehicle.

“Algorithms, when they are not transparent, can lead to a distortion of our perception”

German chancellor Angela Merkel calls for major internet platforms such as Google and Facebook to about how their algorithms work. She suggests that the way these algorithms mediate information limits debate.

Secretive computers

Computers are learning to keep a secret. A team from Google Brain, Google’s deep learning project, has shown that machines can figure out how to protect messages from prying eyes. Their neural networks – systems loosely based on artificial neurons – , very basic encryption method, without being taught specific cryptographic algorithms.