Seven-year study indicates steady and upward trends for blue and fin whales in Southern California
A new study led by researchers at Scripps Institution of Oceanography at UC San Diego indicates a steady population trend for blue whales and an upward population trend for fin whales in Southern California.
New findings about sand tiger shark habitat, migration in Delaware coastal ocean
University of Delaware doctoral student Danielle Haulsee is the lead author on a paper reporting the combined use of underwater robotics and acoustic telemetry to understand sand tiger shark habitat and migration ...
Team invents microscopic sonic screwdriver
A team of engineers have created tiny acoustic vortices and used them to grip and spin microscopic particles suspended in water.
How racial stereotypes impact the way we communicate
Racial stereotypes and expectations can impact the way we communicate and understand others, according to UBC research.
Scientists use light to probe acoustic tuning in gold nanodisks
In a study that could open doors for new applications of photonics from molecular sensing to wireless communications, Rice University scientists have discovered a new method to tune the light-induced vibrations ...
New method provides direct SI traceability for sound pressure
Scientists at the National Physical Laboratory (NPL) - the UK's National Measurement Institute - have developed an optical method for remotely measuring sound pressure inside a fully anechoic chamber which ...
Soda can array revisited: It may not beat the diffraction limit after all
Classroom acoustics for architects
The Acoustical Society of America (ASA) has published a free online booklet for architects to aid in the application of ANSI/ASA S12.60-2010/Part 1-American National Standard Acoustical Performance Criteria, Design Requirements, ...
United States, China team explore energy harvesting
'Nano-earthquakes' hold key to smarter electronics
The performance of mobile phone cameras and solar cells could be boosted by "nano-earthquakes", researchers have found.
Breakthrough in nonlinear optics research
A method to selectively enhance or inhibit optical nonlinearities in a chip-scale device has been developed by scientists, led by the University of Sydney. The researchers from the Centre for Ultrahigh bandwidth ...
A new way to control information by mixing light and sound
For once, slower is better in a new piece of technology.
New study identifies key design features that boost violins' acoustic power
Some of the most prized violins in the world were crafted in the Italian workshops of Amati, Stradivari, and Guarneri—master violinmaking families from the 17th and 18th centuries who produced increasingly ...
Acoustic tweezers device expands the range of X-ray crystallography
A device for precisely positioning small objects using acoustic waves has now been used to position fragile protein crystals a few micrometers or less in size in the path of a crystallography X-ray beam. ...