Zhe Lu in Thailand, summer 2014
The topic of our project was chosen by Zhe. He is an avid gym-goer and an aspiring medic. He saw a realistic need in a compact device which monitors real-time dehydration in the human body through one of his shadowing experience in a hospital as well as through his athletic background.
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We started around March 2015. Looking back at our first draft of the project outline, it is almost unrecognisable. We have made several revisions to the methodology before finally settling on optics. Optical means can be tricky because it is highly sensitive to changes in the environment and its signal to noise ratio would be so low that the data does not reflect any meaningful trend. However, it is compact, inexpensive and non-invasive, making it the perfect candidate for us.