Using sound waves for bomb detection
(Phys.org) —A remote acoustic detection system designed to identify homemade bombs can determine the difference between those that contain low-yield and high-yield explosives.
(Phys.org) —A remote acoustic detection system designed to identify homemade bombs can determine the difference between those that contain low-yield and high-yield explosives.
General Physics
Oct 23, 2013
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(Phys.org) —Radar systems today depend increasingly on phased-array antennas, an advanced design in which extensive grids of solid state components direct signal beams electronically. Phased array technology is replacing ...
Engineering
Mar 31, 2013
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Structural health monitoring systems traditionally use piezoelectric transducers—a device which converts pressure to electric voltage. These transducers normally have excellent reliability except in cases of corrosive environments ...
Optics & Photonics
Sep 16, 2016
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JILA researchers demonstrated thatinformation encoded as a specific point in atraveling microwave signal—the vertical and horizontal positions of a wave pattern at a certain ime—can be transferred to the mechanical beat ...
Quantum Physics
Mar 13, 2013
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(Phys.org) —"If we want to exploit a rigorously hardened and tested type of computing system or networks of this type of computing system, we have to break new ground. Covert channels are communication channels utilizing ...
An early warning system that quickly classifies submarine earthquakes and determines the risk of tsunami events has been developed by scientists at Cardiff University.
Earth Sciences
Apr 25, 2023
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Healing for horses has gone portable.
Other
Jun 2, 2011
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Two atomically thin carbon sheets stacked on top of each other, called bilayer graphene, exhibit unique properties when one of the layers is twisted at a certain angle—a "magic" angle. The study of magic and other angle ...
Nanophysics
Nov 18, 2020
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143
An early warning system against tsunamis has been developed and tailored for the need of the Mediterranean, but preparedness on the ground is paramount to ensuring peoples' safety.
Earth Sciences
Aug 29, 2013
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A technology commonly used to map the bottom of the deep ocean can also detect gas seeps in the water column with remarkably high fidelity, according to scientists from the University of New Hampshire and the National Oceanic ...
Earth Sciences
Oct 6, 2011
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