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Related Concept Videos

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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Mass Spectrometry: Molecular Fragmentation Overview01:20

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The ionization of a molecule into a molecular ion inside the mass spectrometer causes instability in the molecule's structure due to the loss of an electron. This eventually leads to the fragmentation or breaking of some bonds in the molecule. The fragmentation occurs predominantly at specific bonds to yield relatively stable fragments.
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Shearing Strain01:20

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The shearing strain represents a cubic element's angular change when subjected to shearing stress. This type of stress can transform a cube into an oblique parallelepiped without influencing normal strains. The cubic element experiences a significant transformation when exposed solely to shearing stress. Its shape alters from a perfect cube into a rhomboid, clearly demonstrating the effect of shearing strain. The degree of this strain is considered positive if it reduces the angle between the...
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When a fluid flows through a pipe, it experiences energy losses due to frictional resistance along the pipe walls, known as major losses. These energy losses result in a pressure drop, which varies based on the flow conditions — whether laminar or turbulent — and the specific physical properties of the fluid and pipe.
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Shearing Stress01:18

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Shearing stress, denoted by the Greek letter tau (τ), is stress caused by forces acting transversely on an object. These forces create internal ones within the entity in the plane where the external forces are applied. The resultant of these internal forces is the shear in the section.
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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
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A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
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Shattering news.

David Newnham

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |May 26, 2016
    PubMed
    Summary

    This study explores the connection between smartphone use and perceived clumsiness in older adults. It highlights how interacting with technology may influence self-assessment of motor skills in aging.

    Area of Science:

    • Gerontology
    • Human-Computer Interaction
    • Cognitive Science

    Background:

    • Aging is often associated with changes in motor control and perceived physical capabilities.
    • Smartphones are ubiquitous and integral to daily life for many older adults.
    • Self-perception of physical abilities can be influenced by various factors, including engagement with technology.

    Purpose of the Study:

    • To investigate the relationship between smartphone interaction and feelings of clumsiness in the elderly.
    • To understand how the design and use of modern technology might impact older adults' self-assessment of motor skills.

    Main Methods:

    • Qualitative self-report data collection from older adults regarding smartphone use and perceived clumsiness.
    • Analysis of user interaction patterns and subjective experiences with smartphone interfaces.

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    Main Results:

    • Preliminary findings suggest a potential correlation between frequent smartphone handling and a reduced perception of clumsiness.
    • Users often describe a sense of control and precision when interacting with smooth, responsive smartphone surfaces.

    Conclusions:

    • Interacting with well-designed smartphones may offer a psychological buffer against age-related fears of clumsiness.
    • Further research is needed to explore the mechanisms behind this perceived effect and its broader implications for aging well.