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Related Concept Videos

Resistance01:19

Resistance

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When a current moves through any conductor, the conductor causes some level of difficulty for the current to flow. The measure of that difficulty is known as the resistance of the material and is represented by R. Every material has its own resistance. In the case of conductors, heat is emitted whenever a current passes through them. Resistance depends on the resistivity of the material. Resistivity is a characteristic of the material used to fabricate electrical components, whereas the...
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Cognitive Dissonance01:38

Cognitive Dissonance

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Social psychologists have documented that feeling good about ourselves and maintaining positive self-esteem is a powerful motivator of human behavior (Tavris & Aronson, 2008). In the United States, members of the predominant culture typically think very highly of themselves and view themselves as good people who are above average on many desirable traits (Ehrlinger, Gilovich, & Ross, 2005). Often, our behavior, attitudes, and beliefs are affected when we experience a threat to our...
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Screw: Problem Solving01:21

Screw: Problem Solving

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In mechanical engineering, the interaction between a threaded screw shaft and a plate gear involves analyzing the resisting torque on the plate gear that can be overpowered when a specific torsional moment is applied to the shaft. To better comprehend this concept, consider a generic situation with a threaded screw shaft with a given mean radius and lead and a plate gear with a specified mean radius. The coefficient of static friction between the screw and gear is also provided.
To evaluate the...
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Resistance and Conductance01:25

Resistance and Conductance

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A conductor's DC resistance at a given temperature is influenced by its resistivity, length, and cross-sectional area. Resistivity is an inherent property of the conductor material, with annealed copper serving as the international standard for measurement. For instance, the resistivity of hard-drawn aluminum at 20 degrees Celsius is 61% of the standard conductivity of annealed copper.
Various factors impact the resistance of a conductor. Spiraling in stranded conductors increases their...
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Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

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Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
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Rolling Resistance01:21

Rolling Resistance

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When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
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Related Experiment Video

Updated: Jan 2, 2026

Author Spotlight: Development of an Automated Camera-Based System for Real-Time Blast Overpressure Monitoring and TBI Risk Assessment in Military Training
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Resisting resistance: gearing up for war.

Aurijit Sarkar1, Sylvie Garneau-Tsodikova2

  • 1Fred Wilson School of Pharmacy , High Point University , One University Pkwy , High Point , NC 27268 , USA .

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Antimicrobial resistance (AMR) threatens our ability to treat infections from drug-resistant bacteria, fungi, and parasites. A united societal effort is crucial to develop new treatments and overcome this global health crisis.

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Public Health

Background:

  • Antimicrobial resistance (AMR) is a growing global health threat.
  • Multidrug-resistant (MDR) and extended drug-resistant (XDR) pathogens are emerging, reducing treatment options.
  • Existing antimicrobials are at risk of losing clinical efficacy against a wide range of pathogens.

Purpose of the Study:

  • To assess the current standing in the fight against AMR.
  • To issue a call to action for all stakeholders involved in combating AMR.
  • To identify key challenges and highlight positive developments in AMR research and control.

Main Methods:

  • This is an opinion piece, not a research study.
  • It synthesizes current knowledge and expert perspectives on AMR.
  • It analyzes past successes and failures in infectious disease control.

Main Results:

  • The efficacy of many antimicrobials is declining due to resistance.
  • A comprehensive, societal approach is necessary to combat AMR.
  • Learning from historical public health campaigns is essential for future strategies.

Conclusions:

  • Urgent, collaborative action is required to address the AMR crisis.
  • A multi-faceted strategy, incorporating lessons learned, is vital for future success.
  • Winning the war against AMR necessitates a proactive and unified global response.