Engineering

Researchers use 3-D printer to print glass

For the first time, researchers have successfully 3-D printed chalcogenide glass, a unique material used to make optical components that operate at mid-infrared wavelengths. The ability to 3-D print this glass could make ...

Energy & Green Tech

See-through film rejects 70 percent of incoming solar heat

To battle the summer heat, office and residential buildings tend to crank up the air conditioning, sending energy bills soaring. Indeed, it's estimated that air conditioners use about 6 percent of all the electricity produced ...