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Related Concept Videos

Compass01:23

Compass

6.8K
The compass is a fundamental instrument that operates by aligning its magnetic needle with Earth's magnetic field. This alignment facilitates navigation and orientation, offering a means to determine direction relative to magnetic north. However, the magnetic needle points to magnetic north, which differs slightly from true geographic north due to magnetic declination, which is the angular deviation between these two points. Declination varies based on geographic location and shifts over time...
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Fatigue01:21

Fatigue

836
Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
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Design Example: Marking Boundaries of a Site Using a Compass01:12

Design Example: Marking Boundaries of a Site Using a Compass

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Marking site boundaries using a compass is a precise surveying technique that ensures the accuracy of boundary delineation. The process begins by using provided site details, including the bearings and lengths of each boundary line. The initial step involves calculating latitudes and departures for all sides of the site. This computation verifies that the traverse is free of errors, ensuring a closed and accurate boundary.The process starts at a known point, such as Point A, which is often...
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Muscle Recovery and Fatigue01:24

Muscle Recovery and Fatigue

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Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
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Fatigue Strength of Concrete01:22

Fatigue Strength of Concrete

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Fatigue, in the context of materials science and engineering, refers to the weakening or failure of a material caused by repeatedly applied loads, even if these loads are below the strength limit of the material. Fatigue strength in concrete is a critical property that influences its durability and longevity. Concrete can fail in two ways due to fatigue. Static fatigue or creep rupture occurs under a constant load or one that increases slowly. The other failure mode is due to cyclical or...
563
Egoism and Altruism01:55

Egoism and Altruism

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Voluntary behavior with the intent to help other people is called prosocial behavior. Why do people help other people? Is personal benefit such as feeling good about oneself the only reason people help one another?
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Related Experiment Video

Updated: Jan 30, 2026

The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse
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Combating compassion fatigue.

Michelle Perregrini1

  • 1Michelle Perregrini is a nurse educator at NewYork-Presbyterian/Weill Cornell Medical Center in New York, N.Y.

Nursing
|January 25, 2019
PubMed
Summary

Nurses can experience compassion fatigue, a state of emotional and physical exhaustion. This article provides strategies for nurses to identify, manage, and prevent compassion fatigue, promoting well-being and coworker support.

Area of Science:

  • Nursing
  • Psychology
  • Occupational Health

Background:

  • Compassion fatigue is a significant occupational hazard for nurses.
  • High levels of emotional demand in nursing contribute to burnout and compassion fatigue.
  • Early recognition and intervention are crucial for managing compassion fatigue in healthcare professionals.

Purpose of the Study:

  • To provide nurses with practical strategies for recognizing the signs of compassion fatigue.
  • To outline actionable steps for nurses to combat and manage compassion fatigue.
  • To offer guidance on supporting colleagues experiencing compassion fatigue.

Main Methods:

  • Literature review on compassion fatigue in nursing.
  • Synthesis of evidence-based strategies for prevention and intervention.

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Last Updated: Jan 30, 2026

The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse
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The Treadmill Fatigue Test: A Simple, High-throughput Assay of Fatigue-like Behavior for the Mouse

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A Mouse Model of Fatigue Induced by Peripheral Irradiation
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  • Development of practical recommendations for clinical practice.

    • Main Results:

    • Nurses are at high risk for compassion fatigue due to their work.
    • Recognizing early warning signs is key to effective management.
    • Proactive self-care and supportive workplace strategies are essential.

    Conclusions:

    • Implementing the suggested strategies can help nurses mitigate compassion fatigue.
    • Supporting colleagues is vital for a healthy work environment.
    • Continuous education on compassion fatigue is recommended for nursing staff.