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MythBusters: Rubens' Tube Uncut

Related Article: Learn more about fire.

The MythBusters recreate Rubens' Tube, a popular physics experiment where fire represents sound waves.

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Discovery
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How Acoustic Levitation Works

How Acoustic Levitation Works (0:47)

Acoustic levitation uses sound waves to suspend objects in a fluid, like

Exploring Sound: Parts of the Ear

Exploring Sound: Parts of the Ear (0:49)

The parts of the ear and their function are shown in a model and are described.

Exploring Sound: Loudness

Exploring Sound: Loudness (0:28)

Loudness is measured in decibels (as shown in a table). Loud sound can cause hearing loss. People working around loud sounds usually wear protective ear gear.

Exploring Sound: Echo Location

Exploring Sound: Echo Location (2:21)

Bats hunt by echolocation. The best condition for an echo is a hard surface. Some materials absorb sound. Curved surfaces are used to reflect sound over a large area.

Exploring Sound: Frequency

Exploring Sound: Frequency (1:28)

Frequency is the rate of vibration of sound and is measured in hertz. One vibration per second is one hertz.

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Battle Science: The Invention of Radar

Battle Science: The Invention of Radar (2:46)

On TLC's "Battle Science," learn how radar was invented.

Battle Science: How Radar Works

Battle Science: How Radar Works (1:20)

Learn how radar works on The Learning Channel's "Battle Science."

Assignment Discovery: Measuring Sound Decibels

Assignment Discovery: Measuring Sound Decibels (1:49)

Sound intensity can be measured by decibels and watts per square meter. Learn more about sound intensity on the Discovery Channel's "Assignment Discovery."

Understanding: Sound Waves

Understanding: Sound Waves (2:09)

Sound waves hit the ear drum and rattle little bones. The bones push fluid onto ear hairs that decipher the sound. Learn more about how sound works on TLC's "Understanding."

Understanding: Math Music and Building Proportions

Understanding: Math Music and Building Proportions (2:22)

Different measurements correspond to different sounds. Simultaneously, sounds correspond to proportions which compose buildings. Learn more on TLC's "Understanding."

Assignment Discovery: Shock Wave

Assignment Discovery: Shock Wave (2:23)

Moving at the speed of sound, an airplane creates a huge shock wave when it breaks the sound barrier. An extremely powerful camera with a strong light source captures the image. Learn more in Discovery Channel's "Assignment Discovery."

Assignment Discovery: Instrument Sound waves

Assignment Discovery: Instrument Sound waves (2:34)

This clip from Discovery Channel's "Assignment Discovery" shows the mathematical differences in tones among different instruments. Learn more in this video.

Assignment Discovery: Sound Speed and Frequency

Assignment Discovery: Sound Speed and Frequency (1:52)

The medium which sound travels through determines how fast it will travel. Learn more about sound speed on Discovery Channel's "Assignment Discovery.

Assignment Discovery: Science of Sound

Assignment Discovery: Science of Sound (2:10)

Sound is a transfer of energy caused by any vibrating material and is transmitted by longitudinal waves. Learn more about the science of sound on Discovery Channel's "Assignment Discovery."

Basics of Physics: Exploring Sound

Basics of Physics: Exploring Sound (23:59)

Sounds are an important part of our world; we can identify things from the sounds they make, and we associate certain sounds with particular objects or activities. This program describes how our ears work and the range of vibrations we are able to... More »