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 ...
June 10 is National Ballpoint pen day. Why celebrate such a seemingly simple item? When it was invented, the ballpoint pen was revolutionary. The writing apparatus was invented by Hungarian painter ...
If you think these incredible images are photos, think again. They are in fact probably the world's most intricate doodles. It may be hard to hard to believe but the pictures below are created using ...
“Sharpie has a great line of pens [but] the best Sharpie pen is the S-Gel ,” says Salazar, who prefers the 0.7mm nib (it also ...
The idea of perforating the caps of pens appears to have started in the United Kingdom, where a new safety standard was adopted in 1990 (BS 7272). Between 1970 and 1984, nine children in the United ...
The invention of the printing press revolutionized duplication of the written word, giving the hands of tired scribes a break and making written material more accessible. A similar breakthrough has ...
Researchers working with Chuan Wang, associate professor of electrical & systems engineering, have developed ink pens that allow individuals to handwrite flexible, stretchable optoelectronic devices ...