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From the noise of an urban landscape to the musical cocoons created by high-tech devices, sound may be humanity's most lively and versatile interface with the world. Takes viewers on a sonic odyssey that assesses the frequently overlooked impact of what humans hear. Takes a CGI tour through the human ear and its vibration-decoding systems, defining the concept of sound. Also demonstrates the importance of sound in human spiritual and religious lives, while musical research at Edinburgh University highlights the link between sound patterns and human movement. Several experts, from physicists to sound engineers to audio artists, contribute to this exploration of humanity's sonic world.
(Source: DCMP)
A wave carries energy from one point to another through a medium. Types of waves include light, sound, electromagnetic, mechanical, transverse, and longitudinal. Explores a wave's characteristics, such as amplitude, frequency, and wavelength. Also presents the four ways waves interact with mediums. Defines terminology as it is introduced. Quiz after summary.
Introduces how sound is made; how it travels; the terms "pitch," "volume," and "compression waves"; how ears detect sound; and the way vocal cords work. Views the parts of an ear and how they function to allow us to hear sounds. Uses easily replicated experiments to demonstrate sound's principles.
What is frequency? Why is it so important for radio and sound waves? Adabot gets all the answers from Ladyada and a new friend. Part of the "Circuit Playground" series.
Students investigate the features of vibrations and waves. Examples of these phenomena help students understand how sounds are formed, how light travels, and how ocean waves move. Students also explore different types of waves such as microwaves, radio waves, and seismic waves. Concepts and terminology include vibration, energy, wave, light, and sound.
Music is the art of combining sounds according to an artistic criterion and is a form of human expression. Musicians such as Richard Strauss and Arnold Schoenberg were interested in seeking new quality tone and sounds in the orchestra by adding new, nontraditional instruments. In 1909, Luigi Russolo in his "Futurist Manifesto" spoke about combining sounds from machines and non-traditional musical instruments and combining those sounds with an artistic criterion based on the imagination of the composer. But what role do technological advances play in the creative development and composition of music?
Everyday examples and laboratory experiments explain and demonstrate the concept of waves as they relate to physics. Three segments cover the characteristics of transverse and longitudinal waves and the reflection and refraction of waves. Complex physics is made clearer by the lab demonstrations.
Elisa Konofagou, a bioengineer at Columbia University, believes ultra sound technology could become be a vital component in treating and perhaps curing degenerative brain diseases. One big problem associated with treating these diseases today is a chemical shield of sorts that protects the brain against chemicals in the blood. Unfortunately, it also keeps out many drug treatments. Konofagou believes ultrasound waves could be one key to turning the blood/brain barrier on and off.
In this episode, host Jason Silva explores the many layers of language. Some of the exercises and activities focus on the evolution of words, the links between what one sees and hears, and the mysterious communication abilities of twins. Part of the "Brain Games Family Edition."
Moko is an explorer. As he travels the world continent by continent, he makes many friends and discovers many natural phenomena which sometimes delight him, and other times scare him. Each animated episode recounts an adventure and takes an "original story" approach to explaining these natural phenomena. In this episode, continuing their expedition, Moko and Totemie come across a great river. It is so beautiful and so wide that they decide to build a raft and explore it further. A woman who is returning from the fields warns them of a great danger, but it is too late, the current has already carried the raft along its waves. In the distance they can hear a deep rumbling sound, and it seems to be getting closer. As their raft is propelled forward, it is stopped by the edge of a reef just on the edge of a great chasm. The spectacle is so breathtaking that they forget their fear. When they finally manage to reach the shore safely, they thank the river for having kept them safe and having shown them the magnificent view of the waterfall.
When an earthquake hits, it sends seismic waves through the ground. Find out about seismic waves in this animation.
Through easy-to-understand examples, this video helps students grasp how sounds are formed and how sound travels. Special attention is given to the different characteristics of sounds and how humans sense sounds.
Longitudinal waves carry energy through air, water, and solids. They compress and expand the medium in the same direction as the energy is transferred.
When one hears the roar of traffic, the bark of a dog, or a teacher’s voice, they are experiencing sound. This program uses colorful animations to explore important characteristics of sound, including intensity, loudness, pitch, and frequency. Concepts and terminology illustrated in this video include vibrations, frequency, pitch, amplitude, volume, how sound travels, uses of sound energy, and speed of sound.
Waves are all around. They are a disturbance that travels through space and matter transferring energy from one place to another. Find out about the nature, shapes, and impacts of waves in this animation.
Great inventions exist in the world of audio and music: stereo, surround sound, and holophonics, all known as 3D sounds. Although holophonics can be confused with surround sound because it tries to create a surrounding with sounds from different sources, holophonics have a completely different system and are only emitted through a stereo system, which when used with headphones and creates a sense of three-dimensionality.
Part of a series that features a wide variety of video footage, photographs, diagrams and colorful, animated graphics and labels. Begins with a simple definition of the term and concludes with a critical thinking question. For this particular video, students will focus on energy created from sound. Part of the Science Video Vocab Series.
Race cars are loud. They don't have mufflers because mufflers will reduce the speed of the car. Spectators need to make sure they have adequate ear protection if they attend a NASCAR race. Part of "The Science of Speed" series.
Investigates some of the key concepts of physics. Using a drum kit, we look at how sound works, how we make it, and how it gets around. Also, examines electricity and electromagnetism and notes the similarities between a remote control car and a mobile phone charger. Finally, takes a look at radioactivity and identifies a radioactive device that can be found in almost every family home.
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