Bionic Pancreas
This is the bionic pancreas, it is made for people with diabetes to help children and adults. It help control insulin intake and basically acts like a pancreas.
This video is about a father creating a bionic pancreas for his son.
This relates to engineering because a person creates a machine that can help others through robotics. Also it was engineered by a group of people including the father of a diabetic son.
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https://www.evaluate.com/vantage/articles/news/trial-results/ada-2019-good-start-beta-bionics