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 ...

One of the most frequently asked questions posed to seasoned Photoshop pros is how to turn a photo into a pencil sketch. While there are many ways to get it done, this particular technique, which ...

The Bamboo Sketch connects to the iPhone or iPad with Bluetooth – much like the Apple Pencil. The device and accessories (additional nibs, USB charging unit), come in a travel case in the ...