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Related Concept Videos

Travelling Waves01:04

Travelling Waves

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A wave is a disturbance that propagates from its source, repeating itself periodically, and is typically associated with simple harmonic motion. Mechanical waves are governed by Newton's laws and require a medium to travel. A medium is a substance in which a mechanical wave propagates, and the medium produces an elastic restoring force when it is deformed.
Water waves, sound waves, and seismic waves are some examples of mechanical waves. For water waves, the wave propagation medium is...
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Standing Waves01:17

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Sometimes waves do not seem to move; rather, they just vibrate in place. Unmoving waves can be seen on the surface of a glass of milk kept in a refrigerator, which is one example of standing waves. Vibrations from the refrigerator motor create waves on the milk that oscillate up and down but do not seem to move across the surface. These waves are formed or created by the superposition of two or more identical moving waves in opposite directions. The waves move through each other, with their...
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Sound Waves01:01

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Sound waves can be thought of as fluctuations in the pressure of a medium through which they propagate. Since the pressure also makes the medium's particles vibrate along its direction of motion, the waves can be modeled as the displacement of the medium's particles from their mean position.
Sound waves are longitudinal in most fluids because fluids cannot sustain any lateral pressure. In solids, however, shear forces help in propagating the disturbance in the lateral direction as well....
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Shock Waves01:16

Shock Waves

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While deriving the Doppler formula for the observed frequency of a sound wave, it is assumed that the speed of sound in the medium is greater than the source's speed through it. When this condition is breached, a shock wave occurs.
When the source's speed approaches the speed of sound, constructive interference between successive wavefronts emitted by the source occurs immediately behind it. Initially, scientists believed that this constructive interference would result in such high...
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Propagation of Waves01:07

Propagation of Waves

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When a wave propagates from one medium to another, part of it may get reflected in the first medium, and part of it may get transmitted to the second medium. In such a case, the interface of the two mediums can be considered as a boundary that is neither fixed nor free.
Consider a scenario where a wave propagates from a string of low linear mass density to a string of high linear mass density. In such a case, the reflected wave is out of phase with respect to the incident wave, however the...
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Wave Parameters01:10

Wave Parameters

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The simplest mechanical waves are associated with simple harmonic motion and repeat themselves for several cycles. These simple harmonic waves can be modeled using a combination of sine and cosine functions. Consider a simplified surface water wave that moves across the water's surface. Unlike complex ocean waves, in surface water waves, water moves vertically, oscillating up and down, whereas the disturbance of the wave moves horizontally through the medium. If a seagull is floating on the...
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Updated: Sep 29, 2025

WheelCon: A Wheel Control-Based Gaming Platform for Studying Human Sensorimotor Control
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Riding the twitter wave.

Jeffrey Brainard

    Science (New York, N.Y.)
    |March 24, 2022
    PubMed
    Summary
    This summary is machine-generated.

    Social media platforms rapidly transformed science communication during the COVID-19 pandemic. This study examines the lasting impact of this digital shift on scientific discourse and engagement.

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    Area of Science:

    • Social media's role in scientific dissemination.
    • Pandemic's influence on science communication strategies.

    Background:

    • The COVID-19 pandemic accelerated the adoption of social media for science communication.
    • Pre-pandemic trends in digital science engagement.

    Discussion:

    • Analysis of how platforms like Twitter and LinkedIn facilitated rapid information sharing.
    • Challenges and benefits of social media in communicating complex scientific findings.
    • Impact on public trust and scientific literacy.

    Key Insights:

    • Social media platforms became crucial for real-time scientific updates and public health messaging.
    • Increased accessibility and engagement with scientific content observed.
    • Concerns regarding misinformation and the sustainability of these communication channels.

    Outlook:

    • Future trends in digital science communication beyond the pandemic.
    • Strategies for maintaining effective and responsible social media use in science.
    • The long-term implications for scientific collaboration and public perception.