For decades, there has been a common Hollywood theme that future wars would consist of robotic vehicles being zapped from the skies by potent energy beams. This scenario seems to be getting closer by ...

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...

A Macon federal grand jury charged a man Tuesday with pointing a laser beam at two attack helicopters, according to court records. William Richard Bowden was indicted on two counts of aiming a laser ...

Since their invention in 1958, lasers have become a vital tool for manufacturing products as diverse as cars, musical instruments and computer chips. Lasers not only offer precise drilling, cutting ...

Scientists have beamed a laser into the sky, which was visible from miles around. The spectacle, known as The Beam, marked the 80th birthday of Harwell Science and Innovation Campus in Oxfordshire.