Author: The Conversation

Facebook, the largest social network in the world, stunned the world earlier this year with the announcement of its own cryptocurrency, Libra. The launch has raised questions about the difference between Libra and existing cryptocurrencies, as well as the implications of private companies competing with sovereign countries in issuing currencies.

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The field of brain-machine interfaces (BMI) – which use electrodes, often implanted into the brain, to translate neuronal information into commands capable of controlling external systems such as a computer or robotic arm – have actually been around for some time. Entrepreneur Elon Musk’s company, Neuralink, is aiming to test their BMI systems on a human patient by the end of 2020.

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