Its vision of romantic encounters with aliens and plagues of tribbles may not have come to pass just yet, but Star Trek has proved surprisingly accurate in predicting the future in other ways.
When it comes to technology, the show's gadgets have already become reality in several cases: its communicator predicted the clamshell mobile phone, the food replicator was made real with 3D food printing, and Captain Kirk was using voice input long before Alexa became a household name.
But of all Star Trek's technological imaginings, it's the Tricorder that continues to capture the popular and scientfic imagination: a handheld medical device that could be used to analyse a patient, helping doctors diagnose and treat the crew on the bridge and beyond.
No blood tests, no X-rays, no genetic sequencing: Star Trek's doctors could just point their tricorders at the patient and seconds later work out if they'd succumbed to a cold or the Quazulu VIII virus.
The Tricorder continues to fascinate because it magically solves some of the problems about medicine we still have today: it takes too long, it's expensive, it's uncertain, and the times you need it most -- when you're far from home -- is often when it's unavailable...Continue article here
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