Howard Lee is a popular artist known for his hyperrealistic depictions of everyday objects. Now he is creating simpler illusions using just pencil and paper. Although simple, there is a mystery to how ...

These mind-bending works of art have been so cleverly constructed they allow the artist himself to feature in the picture. Exploiting a particular optical illusion, Ben Heine appears as though he is ...

GeekWire chronicles the Pacific Northwest startup scene. Sign up for our weekly startup newsletter, and check out the GeekWire funding tracker and VC directory. by Taylor Soper on Nov 19, 2013 at 6:00 ...

Pencil sketches on paper can be used as sensors that detect a variety of physiological signals, including heart rate, skin temperature and compounds in sweat. Zheng Yan at the University of Missouri ...

If you need a potentiometer for a project, chances are pretty good that you’re not going to pick up a pencil and draw one. Then again, if you’re teaching someone how a variable resistor works, that ...

Last year Astropad launched its impressive Rock Paper Pencil kit for iPad that delivers a reusable/removable matte screen protector plus a ballpoint-style Apple Pencil tip for a real pen-on-paper ...