Photoacoustic imaging, a technique for examining living materials through the use of laser light and ultrasonic sound waves, has many potential applications in medicine because of its ability to show everything from organs ...
Optics & Photonics
Feb 25, 2020
0
292
(PhysOrg.com) -- A hand device called the Tacit can help the blind and visually impaired move around safely in complex environments. Wrist-mounted, the device uses ultrasonic sensors mounted above the knuckles that can pick ...
(PhysOrg.com) -- In a stroke of odd creativity, Japanese researchers have created robotic blocks that automatically detect where you're walking and position themselves in front of you before you take your next step. As a ...
(AP) -- A cane equipped with the technology that retailers use to tag merchandise could help blind people avoid obstacles.
Hi Tech & Innovation
Aug 3, 2009
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0
Technical systems must be regularly checked for defects, such as cracks. Up to now, piezo sensors measuring pressure, force or voltage have been used to reliably detect such faults – but only to around 200 degrees Celsius. ...
Engineering
May 2, 2017
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3
Researchers at the Polytechnic University of Catalonia (UPC) have developed wireless sensors able to detect minute fissures in industrial machinery by the ultrasonic sounds they emit, with which the fault can be located early ...
Engineering
Mar 10, 2014
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1
Seven midsize vehicles earned the top rating in a new insurance industry test of high-tech safety features designed to prevent front-end collisions.
Engineering
Sep 27, 2013
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0
Echolocation is a powerful technique that uses sound or ultrasound waves to locate objects and surfaces. Ships and submarines, for example, use it to avoid collisions, and dolphins and microbats use it to locate prey (see ...
General Physics
May 8, 2013
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0
European researchers have squeezed radar technology into a low-cost fingernail-sized chip package that promises to lead to a new range of distance and motion sensing applications. The novel device could have important uses ...
Engineering
Nov 23, 2012
5
0
Three new Cadillac models, including the ATS sport sedan, have a new advanced safety system that can automatically stop the vehicle in low-speed conditions to help avoid crashes.
Engineering
Sep 19, 2012
0
0
