Animal matters

Scotland's debate over tests on primates

news.bbc.co.uk

Mosquitoes make sweet love music

Sexy songs sung by mosquitoes in courtship could be key to curbing the spread of dengue fever, say scientists.

news.bbc.co.uk

Zimbabwe troops 'eat elephants'

A Zimbabwean wildlife campaigner tells the BBC that soldiers are being given elephant meat to eat, as the economic crisis deepens.

news.bbc.co.uk

Everest trip helps critically ill

Blood oxygen levels recorded on a trip by medics to Everest could help the treatment of critically ill patients.

news.bbc.co.uk

'Wolfman' returns

Explorer Jim McNeill tracks down Arctic wolves

news.bbc.co.uk

First flight of algae-fuelled jet

Continental Airlines is the latest to test fly a jet biofuel, this time with a product derived partially from algae.

news.bbc.co.uk

Feilden's blog

Ground-breaking new technique in stem cell science

news.bbc.co.uk

Body repair 'could be ramped up'

A combination of drugs could trick the body into sending its repair mechanisms into overdrive, say scientists.

news.bbc.co.uk

Black holes 'preceded galaxies'

Astronomers believe they have solved a cosmic chicken-and-egg question: what came first - black holes or galaxies?

news.bbc.co.uk

Poetry or science?

Is romantic love just a chemical cocktail?

news.bbc.co.uk

Canadians claim South Pole record

A trio of Canadians claim a new record for the fastest trek across Antarctica to the South Pole.

news.bbc.co.uk

Venomous mammal caught on camera

Rare footage of one of the world's most strange and elusive mammals is captured by scientists.

news.bbc.co.uk

Earth Watch

Why it is hard to predict sudden environmental crises

news.bbc.co.uk

Our writers talk back

Some of the previous contributors to the Green Room respond to readers' questions and comments.

news.bbc.co.uk

Heat may spark world food crisis

Half the world's population could face food crisis by 2100 as soaring temperatures cripple staple crops, scientists warn.

news.bbc.co.uk

Tech fair offers greener vision

Analysts at the Consumer Electronics Show say green credentials of tech products will become critical to success.

news.bbc.co.uk

Beagle hunter

On a mission to find the most famous ship of science

news.bbc.co.uk

Baby Jupiter's huge weight gain

The planet Jupiter must have gained mass fast during its infancy, according to astronomers.

news.bbc.co.uk

Eat it or lose it - why centuries of crop diversity are at risk

Centuries of crop diversity are at risk of being lost forever as farmers turn to just a few modern, high yielding varieties.

news.bbc.co.uk

Holes give edge to new armour

Scientists from the UK Ministry of Defence (MoD) have devised ultra-hard vehicle armour to protect military personnel.

news.bbc.co.uk

A deep-sea fish caught in the Pacific has mirrors for eyes

A deep-sea fish caught in the Pacific has eyes which use mirrors as well as lenses, scientists discover.

news.bbc.co.uk

Mummy of female pharaoh uncovered

Egyptologists find remains of a mummy thought to belong to a queen who ruled 4,300 years ago, Egypt's antiquities chief announced.

news.bbc.co.uk

China alert over bird flu death

Chinese authorities shut down and clean poultry markets in Hebei province, after the first human death in nearly a year.

news.bbc.co.uk

Panda bites his third tourist in two years at Beijing zoo

A panda at Beijing zoo bites a man for the third time in two years.

news.bbc.co.uk

US vows 'huge' marine protection

The US is to establish "the largest area of protected sea in the world", banning fishing and mining, around its Pacific islands.

news.bbc.co.uk

 Science > Acoustics, Ultrasound and Vibration

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Science > Acoustics, Ultrasound and Vibration

Acoustics, Ultrasound and Vibration:

Acoustics Careers and Research Areas

The field of acoustics, because it is so diverse, offers many different career opportunities.

http://asa.aip.org/acou_and_you.html

Acoustics FAQ

A Newsgroup FAQ document intended to answer frequently asked questions about acoustics.

http://www.faqs.org/faqs/physics-faq/acoustics/

Graand

Free Classified Ads Portal

www.graand.com

Acoustics, Ultrasound and Vibration

Acoustic and lighting definitions and concepts. Reference for architects and interior designers.

http://www.tir.com/~ms

ARS TECHNOLOGIES

Development, production and sales of systems in the fields of radar and sonar technology as well as consultancy work.

http://www.arstech.de

Art Ludwig's Home Page

Information concerning acoustics.

http://www.silcom.com/~aludwig/

Beyond Discovery: Sounding Out the Ocean's Secrets

Researchers apply their knowledge of how sound travels through water to carry out a myriad of tasks such as detecting underwater eruptions, measuring ocean temperature, and monitoring marine mammal behavior.

http://www.beyonddiscovery.org/content/view.article.asp?a=219

Dynamic Musical Spectrograms

Describes a type of dynamic spectrogram suitable for looking at music.

http://nastechservices.com/Spectrograms

Hearing Damage And Loud Music

Document on the relationship between loud noise and ear damage, with particular reference to young people and loud music.

http://www.abelard.org/hear/hear.php

Imagine

Project to develop new calculation methods for railway, road, industrial and aircraft noise, run by European consortium.

http://www.imagine-project.org/

Introduction to Spectrum Analysis

Describes the procedure of conducting spectrum analysis and applications for this type of test. Page includes diagrams.

http://chandrakantha.com/articles/spectrum/spectrum.html

Mechanical Acoustics/vibration Engineering Forum at Eng-tips

Engineering technical support forums and mutual help system for engineering professionals.

http://www.eng-tips.com/threadminder.cfm?pid=384

Mine Neutralization System (AN/SLQ-48)

Unclassified description of mine warfare vehicle.

http://www.raytheon.com/products/mns/

Modal Analysis Tutorials

Free articles on the fundamentals of modal analysis.

http://www.sem.org/PUBS_ArtDownload.asp

Music and Physics

View an music which a priori is conceived only subjectively.

http://uk.geocities.com/piklemas/indexeng.htm

Particle Velocity Acoustical Sensors

Overview of the microflown technology to measure the entire range of acoustical properties like particle velocity, sound power and ( three dimensional ) sound intensity

http://www.microflown.com

RDA Inc

Specializing in Sonar, research and development systems, anti-submarine warfare (ASW), and acoustics engineering.

http://www.rdainc.com/

Sound and Vibration Magazine

Information for subscriptions, and review of recent issues and events affecting noise and vibration control.

http://www.sandv.com/

Sound Waves and Music

The physics classroom

http://www.glenbrook.k12.il.us/gbssci/phys/Class/sound/soundtoc.html

Sound Waves and the Eardrum

Offers an animation of how high and low pressure waves make the eardrum vibrate along with information on how the journey of sound waves affects the brain.

http://www.glenbrook.k12.il.us/gbssci/phys/mmedia/waves/edl.html

Stanton Scattering Lab Homepage

Sound as a tool to study the ocean environment. How zooplankton scatter sound and models to predict plankton populations in the wild.

http://www.oal.whoi.edu/tstanton/

Underwater Acoustics Tutorial

Brief overview of the basic principles of underwater acoustics.

http://www.pmel.noaa.gov/vents/acoustics/tutorial/tutorial.html

Vibration and Waves Animations

Dan Russell, Ph.D., Associate Professor of Applied Physics at Kettering University in Flint, MI

http://www.gmi.edu/~drussell/Demos.html

Vibrationdata.com

Consulting and educational services in: acoustics; shock and vibration; signal processing; and dynamic data acquisition and analysis.

http://www.vibrationdata.com/