Wind turbines have a design life of 20 years. The rotor blades must be regularly inspected at least once every four years to verify their structural integrity. This type of work is performed by industrial climbers. But the ...
Engineering
Dec 1, 2017
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10
Tales of the acoustics at the 2300 year-old Greek theater of Epidaurus tend to be told in terms of superlatives. Not actually justified, according to measurements taken by researchers from Eindhoven University of Technology. ...
Engineering
Oct 20, 2017
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21
Ultrasound—sound with frequencies higher than those audible to humans—is commonly used in diagnostic imaging of the body's soft tissues, including muscles, joints, tendons and internal organs. A technology called high-intensity ...
General Physics
Jun 26, 2017
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22
Researchers at the Space and Naval Warfare Systems Center Pacific (SSC Pacific) have recorded a Bryde's whale (Balaenoptera edeni) call for the first time from the Hawaiian Islands, which appears to be similar to a Bryde's ...
Plants & Animals
Jun 8, 2017
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28
Researchers at the University of Campinas's Gleb Wataghin Physics Institute (IFGW-UNICAMP) in São Paulo State, Brazil, have theorized a silicon photonic device that would enable optical and mechanical waves vibrating at ...
General Physics
Jun 7, 2017
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9
Behind some of the world's most reputed concert halls is a Japanese engineer whose finesse in shaping sound is so perfectly unobtrusive that all listeners hear is the music—in all its subtlety, texture and fullness.
Engineering
Feb 7, 2017
0
11
The drying process is a critical final stage in various manufacturing processes – it influences the quality of many a product and has many industrial applications, particularly in the food and pharmaceutical sectors. Freeze ...
Materials Science
Nov 21, 2016
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3
Researchers at the U.S. Naval Research Laboratory (NRL), Optical Sciences Division, in collaboration with the laboratory's Material Science Division, for the first time have demonstrated successful detection of acoustic emission ...
Optics & Photonics
Aug 25, 2016
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10
A key feature of the James Webb Space Telescope is helping to shed light on what goes on underneath boats in stormy weather and around the structures of offshore oilrigs.
Space Exploration
Aug 1, 2016
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18
Designing acoustic filters that can block out a certain sound or produce a certain pitch can be hit or miss, but researchers have discovered a way to predict acoustic qualities 70,000 times faster than current algorithms, ...
Engineering
Jul 19, 2016
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