“The dogmas of the quiet past are inadequate to the stormy present. The occasion is piled high with difficulty, and we must rise with the occasion. As our case is new, so we must think anew and act anew.”
Abraham Lincoln, US President (1809-65).
Wednesday, 11 January 2017
Ultra-low-cost, hand-powered centrifuge is inspired by whirligig toy
A human-powered centrifuge made of paper can generate centrifugal forces of 30,000 g and separate blood into its component parts in less than two minutes.