Researchers have demonstrated a new all-optical technique for creating robust second-order nonlinear effects in materials that don't normally support them. Using a laser pulse fired at an array of gold triangles on a titanium ...
Optics & Photonics
Jan 6, 2020
0
564
Using deceptive behavioral patterns of squirrels and birds, researchers at the Georgia Institute of Technology have developed robots that are able to deceive each other. The research is funded by the Office of Naval Research ...
Robotics
Dec 3, 2012
2
0
A new study led by chemists at the University of Illinois Urbana-Champaign brings fresh insight into the development of semiconductor materials that can do things their traditional silicon counterparts cannot—harness the ...
Polymers
Nov 14, 2023
1
97
Democracy in ancient Athens looked quite different from democracies today. Instead of elections, most offices—including those in the legislature, governing councils, and magistrates—were filled by citizen volunteers, ...
Social Sciences
Aug 4, 2021
4
735
Someday, underwater robots may so closely mimic creatures like fish that they'll fool not only the real animals themselves but humans as well. That ability could yield information ranging from the health of fish stocks to ...
General Physics
Mar 19, 2020
0
506
Scientists unveiled a firefighting robot prototype Feb. 4 at the Naval Future Force Science & Technology EXPO, revealing details about its successful demonstrations last fall aboard the USS Shadwell, a decommissioned Navy ...
Robotics
Feb 5, 2015
1
397
The US Navy says it will soon use armed, robotic patrol boats with no sailors on board to escort and defend warships moving through sensitive sea lanes.
Engineering
Oct 5, 2014
2
0
The US Navy said it is preparing to roll out a sea-based laser weapon capable of disabling small enemy vessels and shooting down surveillance drones.
Engineering
Apr 9, 2013
24
0
(AP)—An eel undulating through coastal waters, powered by batteries and checking for mines. A jellyfish is actually a surveillance robot, powered by the atoms around it. Fins pick up intelligence while propelling a robot ...
Engineering
Oct 23, 2012
0
0
The Office of Naval Research (ONR) is looking at birds' perceptual and maneuvering abilities as inspiration for small unmanned aerial vehicle (UAV) autonomy.
Engineering
Jul 25, 2012
1
0
