Valkyrie steps forth as DARPA robotics contender

(Phys.org) —The clock is ticking for robot enthusiasts who are eager to see what happens on the big day, December 20, for the 17 teams competing in the Defense Advanced Research Projects Agency (DARPA) Robotics Challenge. ...

Contact lost with hypersonic glider after launch (Update)

An unmanned hypersonic glider developed for U.S. defense research into super-fast global strike capability was launched atop a rocket early Thursday but contact was lost after the experimental craft began flying on its own, ...

US looks for answers after hypersonic plane fails

Pentagon scientists on Friday acknowledged they were puzzled by the failed flight test of an experimental hypersonic plane and said they were trying to understand what went wrong.

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 ...

Future US Navy: Robotic sub-hunters, deepsea pods

The robotic revolution that transformed warfare in the skies will soon extend to the deep sea, with underwater spy "satellites," drone-launching pods on the ocean floor and unmanned ships hunting submarines.

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