Created from 20 cents of paper, twine and plastic, a "paperfuge" can spin at speeds of 125,000 rpm. Boston: Stanford engineers, including those of Indian origin, have built an ultra-low-cost, ...

IFLScience needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time.

IN a previous communication 1 mention was made of a device for rapidly and accurately reading the relative length of the packed red-cell column in the ungraduated capillary tubes used in the Guest and ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 3 minutes Kids ...

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.