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On board the spaceship in the 2012 film Prometheus, there is a device called a MedPod. This is a completely automated medical station that can diagnose health problems and carry out operations. One year later, in the 2013 science-fiction film Elysium, the technology has moved on. In this film, there are special beds called Med-Bays which can solve any human medical problems. They can scan the patient for illnesses or injuries and then reconstruct broken bones, cure cancer and even reverse the aging process, allowing people to live forever. However, they can’t repair any damage to the brain or the central nervous system. Fast forward a few years to 2019 and, in the TV series The Mandalorian, you don’t even need to get inside a machine to be cured. When the leading character Mando is seriously injured in a battle, a droid sprays him with Bacta Spray and, instantly, his wounds heal. In a few seconds, he’s as good as new.