Blasts of laser light can make a microbot hustle. A rectangle of graphene paper about the size of a fingernail can walk, fold and even turn corners, researchers report November 6 in Science Advances.

A team at the University of Cambridge has developed a remarkable new technique that uses lasers to erase laser-printed paper, leaving pages clean, clear, undamaged, and ready to be reused. The ...

If you’re looking to outfit your business with a new printer, now is a great time to buy a color laser. Whether you’re a single user who prints newsletters at home or you’re buying for a corporate ...

Laser printers, known for printing crisp, professional-looking documents quickly, are generally considered big, expensive machines designed for large offices. While some larger models live up to that ...

Using laser light to remove toner from printed paper could lead to a new type of Xerox machine capable of both printing and “unprinting.” A new technique developed by researchers in the U.K. can ...

Shopping for a new printer can be surprisingly confusing. Along with navigating all the different brands, you’ll also need to figure out if an inkjet or laser printer is best for your needs. Both of ...

I have a stack of scrap paper that I sometimes print on. I think I heard at one time that it was bad to print on the same sheet of paper twice, with a laser printer. Is it? I have an HP LaserJet 4P, ...