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Related Concept Videos

Electromagnetic Fields01:30

Electromagnetic Fields

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Electric fields generated by static charges, often referred to as electrostatic fields, are characteristically different from electric fields created by time-varying magnetic fields. While the former is a conservative field, implying that no net work is done on a test charge if it goes around in a complete loop in the field, the latter is, by definition, not a conservative field; net work is done, and it is proportional to the rate of change of magnetic flux.
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The existence of combined electric and magnetic fields that propagate through space as electromagnetic (EM) waves is the most significant prediction of Maxwell's equations. As Maxwell's equations hold in free space, the predicted electromagnetic waves do not require a medium for their propagation. An EM wave comprises an electric field, defined as the force per charge on a stationary charge, and a magnetic field, which is the force per charge on a moving charge.
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Dual Nature of Electromagnetic (EM) Radiation01:10

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Electromagnetic (EM) radiation consists of electric and magnetic field components oscillating in planes perpendicular to each other and mutually perpendicular to radiation propagation through space. EM radiation can be classified as a wave, characterized by the properties of waves such as wavelength (denoted as λ) and frequency (represented by ν).
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Plane Electromagnetic Waves II01:29

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Consider a plane wavefront traveling in position x-direction with a constant speed. This wavefront can be utilized to obtain the relationship between electric and magnetic fields with the help of Faraday's law.
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James Clerk Maxwell formulated a single theory combining all the electric and magnetic effects scientists knew during that time, calling the phenomena his theory predicted “Electromagnetic waves”. He brought together all the work that had been done by brilliant physicists such as Oersted, Coulomb, Gauss, and Faraday and added his own insights to develop the overarching theory of electromagnetism. Maxwell’s equations, combined with the Lorentz force law, encompass all the laws...
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Mapping the After-effects of Theta Burst Stimulation on the Human Auditory Cortex with Functional Imaging
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Electromagnetic field and brain development.

Suleyman Kaplan1, Omur Gulsum Deniz1, Mehmet Emin Önger1

  • 1Department of Histology and Embryology, Medical School of Ondokuz Mayıs University, 55139 Samsun, Turkey.

Journal of Chemical Neuroanatomy
|December 22, 2015
PubMed
Summary
This summary is machine-generated.

Radio-frequency/microwave radiation from wireless devices may impact the developing central nervous system (CNS). Exposure to electromagnetic fields (EMF) affects neural stem cell development and neurological health, especially after prenatal exposure.

Keywords:
DevelopmentElectromagnetic fieldHealth riskMobile communicationNervous system

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Area of Science:

  • Neuroscience
  • Environmental Health
  • Developmental Biology

Background:

  • Increased exposure to radio-frequency/microwave radiation from wireless devices is a growing concern.
  • Existing research on electromagnetic fields (EMF) primarily focuses on the brain, necessitating further investigation into the central nervous system (CNS).

Purpose of the Study:

  • To review the effects of EMF on the developing CNS.
  • To discuss potential impacts of EMF on neural stem cell development and neurological health.

Main Methods:

  • Literature review of studies investigating EMF exposure and CNS development.
  • Analysis of research on neural stem cell differentiation and neurological health outcomes.

Main Results:

  • EMF exposure has been shown to inhibit neural stem cell formation and differentiation during embryonic development.
  • Prenatal EMF exposure may negatively affect reproductive and neurological health in adults.

Conclusions:

  • EMF from wireless devices poses potential risks to the developing CNS.
  • Further research is crucial to understand the long-term neurological consequences of EMF exposure.