Testing for diseases in developing countries may become a lot easier and cheaper thanks to a new invention called the “paperfuge”. Using a piece of paper, some twine and plastic, an assistant professor at Stanford created a simple centrifuge that can spin rapidly to separate the different components of a liquid by density. If you want to test for diseases like Malaria or HIV, that liquid is blood. During lab testing, the paper centrifuge was able to find malaria parasites within 15 minutes of spinning. The little device costs a mere 20 cents and could help save many lives in developing countries around the world.
This 20 cent device can help developing countries detect diseases
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