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Related Concept Videos

The Scope of Physics01:17

The Scope of Physics

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Physics is concerned with the interactions of energy, matter, space, and time, in order to discover the underlying mechanisms that underpin all phenomena. The word "physics" comes from the Greek word "phúsis", which means nature. Physics seeks to comprehend the natural world around us at its most fundamental level. It emphasizes the use of quantitative laws to do this, which could be valuable in other fields that want to push the performance boundaries of present...
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Physical Pendulum01:06

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When a rigid body is hanging freely from a fixed pivot point and is displaced, it oscillates similar to a simple pendulum and is known as a physical pendulum. The period and angular frequency of a physical pendulum are obtained by using the small-angle approximation and drawing parallels with a spring-mass system. The small-angle approximation (sinθ=θ) is valid up to about 14°.
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Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
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True weight is the measure of the gravitational force acting on an object. However, if the object accelerates, its measured weight is different from its true weight. Similar observations can be made when the object is submerged in water. An object's weight in water is its apparent weight, which is equal to the difference between its true weight and the buoyant forces.
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The radiation pressure applied by an electromagnetic wave on a perfectly absorbing surface equals the energy density of the wave. The wave's momentum also gets transferred to the surface when an electromagnetic wave is entirely absorbed by it. The rate at which momentum is transmitted to an absorbing surface perpendicular to the propagation direction equals the force on the surface.
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Scientists frequently use models to help them comprehend a specific collection of phenomena. In physics, a model is a condensed version of a physical system that is too complex to study thoroughly. One such example is the light wave model; unlike water waves, light waves are typically invisible to us. Nonetheless, it is helpful to think of light as being composed of waves, since investigations show that light behaves like water waves. Since it is impossible to visually see what is genuinely...
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Basic Research in Plasma Medicine - A Throughput Approach from Liquids to Cells
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Essay: Exploring the Physics of Basic Medical Research.

Vahid Sandoghdar1

  • 1Max Planck Institute for the Science of Light, Staudtstr. 2, 91058 Erlangen, Germany; Max-Planck-Zentrum für Physik und Medizin, Kußmaulallee 2, 91054 Erlangen, Germany; and Department of Physics, Friedrich-Alexander University Erlangen-Nuremberg, 91058 Erlangen, Germany.

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Physics principles are fundamental to human health across all scales. Integrating physics methodologies into life sciences research can significantly advance medical diagnostics and patient care.

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Area of Science:

  • Biophysics
  • Medical Physics
  • Systems Biology

Background:

  • 20th-century physics innovations transformed medical diagnostics.
  • Fundamental medical research predominantly uses cell biology, biochemistry, and genetics.
  • Physicists' contributions to basic medical research remain limited.

Purpose of the Study:

  • To highlight health-related phenomena governed by physical principles.
  • To advocate for integrating physics methodologies into life sciences.
  • To demonstrate the compatibility of basic medical research with physics.

Main Methods:

  • Review of physical phenomena in the human body.
  • Analysis of length and time scales in physiological processes.
  • Conceptual framework for interdisciplinary research.

Main Results:

  • Identified key physiological processes based on physical principles.
  • Demonstrated the broad applicability of physics across biological scales.
  • Established the potential for physics to enhance medical research.

Conclusions:

  • Physics offers valuable methodologies and perspectives for life sciences.
  • Interdisciplinary collaboration can accelerate medical breakthroughs.
  • Basic research in medicine aligns with the core mission of physics.