Researchers at the McKelvey School of Engineering at Washington University in St. Louis have developed ink pens that allow anyone to handwrite flexible, stretchable optoelectronic devices on everyday ...

A STUNNING portrait made with standard Bic ballpoint pens on paper took its Portuguese creator more than 30 hours to complete. An amazing detailed drawing of a Russian model by 29-year-old lawyer ...

They're breathtaking pictures -- a lovely red-headed young woman, a green-eyed housecat, a peaceful temple garden in Japan. But they're not photographs -- they're copies of photographs done with that ...

Although we're hearing more and more about stretchable electronics, the fabrication of such devices' components is far beyond most people's abilities. Now, however, scientists have created inks that ...

Born in Korea but now based in Brooklyn, New York, artist Il Lee is known for using ballpoint pens to create fine art. Visitors can enter his world of scribbles that contrast light and dark in a solo ...

The code has been copied to your clipboard. The fountain pen as a practical writing instrument has been declared obsolete numerous times. It was supposedly doomed by the innovations of the drip-free ...

Conductive ink is a great tool for printing flexible electronic circuits on surfaces. But these inks can be costly, they do not work on some materials, and devices to apply them can plug up. Now, ...