That's why the instructions on most spray paint cans advise holding the can anywhere from 6 to 12 inches (15 to 30 cm) away from the surface. The problem is, it's difficult to measure that distance in ...

Armed with a brush and a hairdryer, Ted Sargent believes that the unique paint-on laser he has developed could eventually revolutionize semiconductor technology. The new laser is based on colloidal ...

Researchers at the University of Toronto have created a laser that could help save the $200-billion dollar computer chip industry from a looming crisis dubbed the "interconnect bottleneck." But this ...