Here’s how to build a whirligig: Thread a loop of twine through two holes in a button. Grab the loop ends, then rhythmically pull. As the twine coils and uncoils, the button spins at a dizzying speed.

At first glance, you'd be forgiven for mistaking this paper and plastic contraption for a homemade whirligig toy. But the simple device is really a small centrifuge, used to separate blood in 90 ...

SAN FRANCISCO, Jan. 11 (Xinhua) -- Bioengineers at Stanford University in west coast of the United States have created an ultra-low-cost, hand-powered blood centrifuge with rotational speeds of up to ...

One of the most basic and necessary pieces of equipment in a medical labs is a centrifuge. Often bulky and expensive, this device (in the most simple terms) spins things. And spinning things like ...

Stanford researchers took inspiration from a whirligig, a child's toy that has been around since ancient times, and developed a low-cost, hand-powered centrifuge that will enable prompt diagnosis and ...