Donald Trump. The Force Awakens. The droped shovel that sounded like Smells Like Teen Spirit.
There were many cultural highlights to 2015 that'll live long in the memories of search engines and pub quizzes. But while we marveLled at the internet's weekly offerings of viral gold, the world's engineers and scientists were busy getting on creating devices and inventions that would change our world for the better.
From fantastic medical breakthroughs to giant generators that could revolutionise energy production, these are the greatest inventions of 2015.