Laser shoots down drones at sea (w/ Video)

(PhysOrg.com) -- An infrared laser developed by Arizona company Raytheon Missile Systems has been demonstrated shooting down incoming drones over the ocean off the coast of California.

An on-chip time-lens generates ultrafast pulses

Femtosecond pulsed lasers—which emit light in ultrafast bursts lasting a millionth of a billionth of a second—are powerful tools used in a range of applications from medicine and manufacturing, to sensing and precision ...

Smart home heating and cooling

Smart temperature-control devices—such as thermostats that learn and adjust to pre-programmed temperatures—are poised to increase comfort and save energy in homes.

HUBO ready for DARPA's Robotics Challenge trials (w/ Video)

The Humanoid Robot Research Center (HUBO Lab) at the Korea Advanced Institute of Science and Technology (KAIST) and Rainbow Co., a spin-off venture company of the university, unveiled a new model of HUBO that will be entered ...

China supercomputer world's fastest: report

A Chinese supercomputer is the fastest in the world, according to survey results announced Monday, comfortably overtaking a US machine which now ranks second.

Hiding in plain sight

A couple years ago, researchers introduced a new material that they said could make any object invisible to both radar and the human eye. Invisibility cloaking would have a major impact on defense technology, they explained, ...

Twitter says hackers compromise 250K accounts

Twitter confirmed Friday that it had become the latest victim in a number of high-profile cyber-attacks against media companies, saying that hackers may have gained access to information on 250,000 of its more than 200 million ...

page 1 from 4