A hand-held, 20 cents paper centrifuge can revolutionise global health
Manu Prakash, Stanford University professor who had earlier built the less than a dollar foldscope — a paper microscope that
Read MoreManu Prakash, Stanford University professor who had earlier built the less than a dollar foldscope — a paper microscope that
Read MoreThe groundwater level in north India declined at a rate of 2 cm per year during the period 2002-2013, while
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