A centrifuge is a vital piece of kit for hospitals and labs across the world. But what if you could make one out of paper and string? The so-called ‘paperfuge’ is the cheapest and fastest hand-spun centrifuge ever designed — and it can reach speeds of up to 125,000 revolutions per minute. Nature Video reveals how this invention will allow basic diagnostic tests in areas without laboratory resources or electricity. The paper has been published in Nature Biomedical Engineering. Read it here: https://www.nature.com/articles/s41551-016-0009