You’ve probably seen sound waves dancing on your screen with the windows player, but have you ever seen something like that in 3D? Well here you go.
This educational video produced by Encyclopedia Britannica explains the science of sound. The physics of sound effects are made easy to understand. There are three basic sources of sound: vibrating columns of air, vibrating surfaces, and vibrating strings. Many examples are given of how sound is produced, such as how each musical instrument, even when playing the same note, creates different tones because of the way the sound is made. This creates the unique sound an orchestra makes when playing a symphony. Answering the question "How does sound travel?" is not easy to do in a science video made to be understood by all, but this film uses tuning forks, oscilloscopes, and basic animation to make science sound waves easy to understand.
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How Does My Ear Catch the Sound Waves to Hear?
There are three essential elements to hearing:
• Directing the waves of sound inside the inner ear that controls hearing
• Detecting the fluctuations within your ear for the pressure in the air
• Translating all of the fluctuations into a signal your brain is going to be able to interpret and understand
Have you felt strong sound from powerful speakers? Watch this!
A cute kid’s science video! The elusive and fascinating Nature of Sound is quaintly and cleverly illuminated in this vintage film. When adorable little Jimmy becomes curious about the vibrations caused by a moving train, he goes and gets the scoop on sound from his cousin Phil Hanson. Together they explore science with a folksy charm and good nature that is largely missing from educational movies today. The Nature of Sound is an excellent physics primer on a subject that is understandable and engaging for any child.
According to the American Cancer Association, prostate cancer affects one in six men in the U.S. and is the second leading cause of cancer deaths in men. When caught and treated early, survival rates can be more than 90 percent, making swift treatment key.
Existing treatments however, can be limited and affect quality of life due to significant side effects, including loss of muscle mass, depression, decreased mental acuity and impotence. Now a High Intensity Focused Ultrasound (HIFU) procedure, available in 33 countries outside the US including Europe, is being tested in US Phase III clinical trials. HIFU is a minimally invasive procedure that uses the Sonablate(R) 500 ultrasound device to destroy cancerous tissue with focused sound waves.
For more and more information regarding the risks and benefits associated with HIFU, go to www.InternationalHIFU****.
Produced for International HIFU
Resonance explained here! What happens when the window vibrates at the same rate as the sound waves? It shatters.
A two dimensional square is vibrated and patterns of waves can be seen.
well this is one of the most informative clip.. you will see what sound effects can be obsereved while changing the frequency of sound and see the shapes made on powder or sand....
Play music with a glass of water.
Amidst the San Juan Islands - an archipelago of more than 170 islands in upper Puget Sound - live several pods of orcas known collectively as the Southern Residents. Though the species is often referred to as "killer whales," this group of orcas eats fish, not marine animals. Scientists Kenneth Balcomb and Paul Spong are recording the movements of these incredible creatures, with the hopes that their findings will help protect future generations.
explore™ (*******explore****) is a multimedia organization that documents leaders around the world who have devoted their lives to extraordinary causes. Both educational and inspirational, explore creates a portal into the soul of humanity by championing the selfless acts of others.
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