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  2. Cymatics - Wikipedia

    en.wikipedia.org/wiki/Cymatics

    Cymatics. A demonstration of sand forming cymatic patterns on a metal plate. Cymatics (from Ancient Greek: κῦμα, romanized : kŷma, lit. 'wave') is a subset of modal vibrational phenomena. The term was coined by Swiss physician Hans Jenny (1904–1972). Typically the surface of a plate, diaphragm, or membrane is vibrated, and regions of ...

  3. Brainwave entrainment - Wikipedia

    en.wikipedia.org/wiki/Brainwave_entrainment

    Brainwave entrainment. Brainwave entrainment, also referred to as brainwave synchronization or neural entrainment, refers to the observation that brainwaves (large-scale electrical oscillations in the brain) will naturally synchronize to the rhythm of periodic external stimuli, such as flickering lights, [ 1] speech, [ 2] music, [ 3] or tactile ...

  4. Sound amplification by stimulated emission of radiation

    en.wikipedia.org/wiki/Sound_amplification_by...

    An example is a common sound amplification system with a microphone, amplifier and speaker. When the microphone is in front of the speaker, we hear an annoying whistle. This whistle is generated without extra contribution from the sound source, and is self-reinforced and self-sufficient while the microphone is somewhere in front of the speaker.

  5. Watch this robot rock band destroy their instruments | TechCrunch

    techcrunch.com/2017/09/14/nigel-stanford-automatica

    You get "Automatica", the latest video from Nigel Stanford, who scored 13 million views controlling water, fire, and lightning with sound in his viral hit "Cymatics".

  6. Timbre - Wikipedia

    en.wikipedia.org/wiki/Timbre

    In music, timbre ( / ˈtæmbər, ˈtɪm -, ˈtæ̃ -/ ), also known as tone color or tone quality (from psychoacoustics ), is the perceived sound quality of a musical note, sound or tone. Timbre distinguishes different types of sound production, such as choir voices and musical instruments. It also enables listeners to distinguish different ...

  7. Test-driving the Geneva Sound System Model S (updated) - Engadget

    www.engadget.com/2013-02-10-test-driving-the...

    Conclusion While the Geneva Sound System Model S provides good sound quality and has some unique features, it seems a bit dated and is in need of an update to add AirPlay streaming, a Lightning ...

  8. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...

  9. Researchers built a low-cost camera system that recreates ...

    www.engadget.com/optical-microphone-camera-laser...

    "This system pushes the boundary of what can be done with computer vision," assistant professor Matthew O'Toole, a co-author of a paper on the system, said. "This is a new mechanism to capture ...

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