Articles related to "Sound Waves"

Why is it, that if a person hides from us around the corner of a building, this person can still hear the sounds we make, even if there are no reflecting surfaces nearby?

Ultrasound imaging is a safe noninvasive technique for making diagnostic medical images of the human body. What physics makes this technique work?

Sounds are pressure waves reaching our hearing apparatus by the movement of surrounding air molecules. Studying waves helps us to understand basic transport mechanisms.

Sound waves entering the ear canal induce pressure waves that activate a series of events involving membranes, miniature bones, and specialized hairs.

Here are some basic pointers to help both professionals and home studio producers improve their acoustic guitar sounds through music comprehension and mic placement.

Short canals called Eustachian tubes, or auditory tubes, connect the middle ear and nasal cavity, allowing air pressure regulation and fluid drainage.

Cymatics is a recently developed field of science that studies the visualization of waves, and in particular sound waves.

While more people have an aversion to bats as opposed to an affinity, one thing can't be denied; they have some incredibly special traits that people find fascinating.

Lilting words chanted in yoga class and soothing music played during massage sessions are more than background noise. They're healing tools.

The Doppler effect works for both light and sound. In light the wavelength of a spectral line changes. For sound the pitch changes.

No one will respect you as a musician (or even want to listen to your performance) unless you can play or sing in tune.

Ultrasound is done to determine the progress of a pregnancy. Scan images can be either 2-D or 3-D. What is the difference between these two ultrasound techniques?

Heat can increase circulation to an injured area, increase the temperature of tissue, and assist in relaxation of tight and/or restricted tissue.

Pelvic ultrasound is a relatively safe method of examining the uterus and ovaries. It is used to diagnose fibroids, polyps, cysts, and other conditions.

Researchers at MIT have been working to explore the always-difficult world of chaos theory by way of a rather simple experiment involving bouncing water droplets.

Teach students about sound with a video of STOMP, a very popular group that creates music through every day sounds.

Mathematicians have been exploring the mysteries of music for centuries. The questions being asked are those which seek to better understand the perception of beauty.

Instead of optical telescopes, astronomers use antennas and computers to study the Universe at wavelengths invisible to the human eye. So, how does that work?

The first and last links in a studio HiFi system are the microphone and loudspeaker. Designs are based on simple electrical and electromagnetic effects.

Several diagnostic tests can assess your risk for a stroke. They can also determine whether you are having or have had a stroke.

Transvaginal ultrasound allows for a more detailed examination of the uterus and ovaries.

Ultrasound has multiple purposes during pregnancy including confirming the pregnancy, checking for defects and the growth of the baby. Questions about safety exist.

The Schumann Resonance generates healing effects when living things are entrained to its frequency.

Changes in dive patterns in response to naval exercises may cause the bends in beaked whales. Understanding why these marine mammals react to sonar may reduce losses.

The cochlea, a structure in the inner ear, changes sound waves into electrical signals that get sent to the brain. The cochlea also determines the pitch of sounds.

Vesto M. Slipher was the first astronomer to measure the spectrum of an external galaxy. His work led to Hubble's discovery that the universe is expanding.

If you are looking for a sound that is slightly bizarre but always fascinating, investigate the music of Harry Partch.

Good musicians know how vital it is to play their instrument in tune, especially when playing as a part of an ensemble. Luckily, anyone can learn to play in tune.

Electronic music relies on different techniques and concerns than traditional acoustic music, most notably the exploration of sound color.

For those who complete sonography programs at accredited schools, ultrasound technician opportunities are plentiful.

Janek Schaefer records unusual sounds and blends them with art, architecture and good dose of postmodern whimsy.

May is the month for Mary King's Ghost Fest in Edinburgh, a festival focusing on the dark side of Scotland's capital city

There is a growing abundance of ultrasound technician jobs due to the aging of the population and chances in medical technology.

A new Korean company says they have the solution for online video game addiction: subliminal messages

Noise cancelling earbuds are popular with those who travel a lot as well as those that work and play in noisy environments. This article names the two best rated models.

The bones of the skull form the structure of the face and are arranged to safeguard the fragile tissues of the brain and spinal cord.

Waves are ubiquitous in the study of physics, and we are intuitively familiar with them from a very early age, but what are they really?

You can have a promising medical job as an ultrasound technician. The opportunities are varied and the salaries can be above average with many educational pathways.

Abdominal ultrasound is a safe imaging modality for examining the abdominal organs. It is commonly used for children because it has no known harmful effects.

Bats are symbolic of rebirth to Native Americans, anathemas to others and subjects of superstitions. Feared by some, bats are beneficial to the environment and humans.

Back pain, which is the leading cause for missed time at work in this country, can result from many conditions. Finding out why you hurt may take some probing.

Since the 1940s, meteorologists have used Doppler radar to detect storm intensity and movement, predict precipitation amounts and help give weather warnings and alerts.

When seeking to reverse hearing loss, there are several options. One of those is corrective surgery.

The history of Atlantis provides a cautionary tale for modern man caught between self-interest and enlightenment.

An American company has demonstrated a device that allows people to operate electrical appliances without a wire connection.

Elephants communicate through infrasonic rumbles, sounds too low for the human ear to hear. Scientists are discovering new meaning behind these elephant rumbles.

Sometimes children think that science is dry, boring and difficult. Help them discover how exciting science really is.

Nearly every parent's first question after learning they're pregnant is, "When can I have an ultrasound?" Parents want the early reassurance of "seeing" their baby.

Amphibians, birds and fish all have the ability to re-grow lost or damaged hair cells. Mammals (including humans) don't - but wait!

The German avant garde composer Hans Otte died on Christmas Day, 2007. His minimalistic work explored music through its most basic elements of sound.