Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Magnetic Fields01:27

Magnetic Fields

5.9K
A moving charge or a current creates a magnetic field in the surrounding space, in addition to its electric field. The magnetic field exerts a force on any other moving charge or current that is present in the field. Like an electric field, the magnetic field is also a vector field. At any position, the direction of the magnetic field is defined as the direction in which the north pole of a compass needle points.
A magnetic field is defined by the force that a charged particle experiences...
5.9K
Magnetic Field due to Moving Charges01:23

Magnetic Field due to Moving Charges

11.2K
A stationary charge creates and interacts with the electric field, while a moving charge creates a magnetic field.
Consider a point charge moving with a constant velocity. Like the electric field, the magnetic field at any point is directly proportional to the magnitude of the charge and inversely proportional to the square of the distance between the source point and the field point. However, unlike the electric field, the magnetic field is always perpendicular to the plane containing the line...
11.2K
Motion Of A Charged Particle In A Magnetic Field01:22

Motion Of A Charged Particle In A Magnetic Field

6.4K
A charged particle experiences a force when moving through a magnetic field. Consider the field to be uniform and the charged particle to move perpendicular to it. If the field is in a vacuum, the magnetic field is the dominant factor determining the motion. Since the magnetic force is perpendicular to the direction of motion, a charged particle follows a curved path. The particle continues to follow this curved path until it forms a complete circle. Another way to look at this is that the...
6.4K
Magnetic Force01:18

Magnetic Force

2.3K
In addition to the electric forces between electric charges, moving electric charges exert magnetic forces on each other. A magnetic field is created by a moving charge or a group of moving charges known as the electric current. A magnetic force is experienced by a second current or moving charge in response to this magnetic field. Fundamentally, interactions between moving electrons in the atoms of two bodies produce magnetic forces between them.
The magnetic force acting on a moving charge...
2.3K
Motional Emf01:22

Motional Emf

3.3K
Magnetic flux depends on three factors: the strength of the magnetic field, the area through which the field lines pass, and the field's orientation with respect to the surface area. If any of these quantities vary, a corresponding variation in magnetic flux occurs. If the area through which the magnetic field lines are passing changes, then the magnetic flux also changes. This change in the area can be of two types: the flux through the rectangular loop increases as it moves into the...
3.3K
Magnetic Force On A Current-Carrying Conductor01:25

Magnetic Force On A Current-Carrying Conductor

4.1K
Moving charges experience a force in a magnetic field. Since the magnetic fields produced by moving charges are proportional to the current, a conductor carrying a current creates a magnetic field around it.
Consider a compass placed near a current-carrying wire. The wire experiences a force that aligns the needle of the compass tangentially around the wire. Thus, the current-carrying wire produces concentric circular loops of magnetic field. The magnetic field generated by a wire can be...
4.1K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Development of local-power-free, remote α-particle detection using optical fibers.

Journal of radiation research·2023
Same author

Fabrication and Actuation of Magnetic Shape-Memory Materials.

ACS applied materials & interfaces·2023
Same author

Orthogonal luminescence lifetime encoding by intermetallic energy transfer in heterometallic rare-earth MOFs.

Nature communications·2023
Same author

Chevrons, filaments, spinning clusters and phase coexistence: emergent dynamics of 2- and 3-d particle suspensions driven by multiaxial magnetic fields.

Soft matter·2017
Same author

On the origin of vorticity in magnetic particle suspensions subjected to triaxial fields.

Soft matter·2016
Same author

Creating orbiting vorticity vectors in magnetic particle suspensions through field symmetry transitions-a route to multi-axis mixing.

Soft matter·2015
Same journal

Nanopore sequencing with proteins: synchronization and dischronization of molecular dynamics simulations with laboratory and industrial developments.

Soft matter·2026
Same journal

Catanionics from biosurfactants and regular surfactants: miscibility and structure.

Soft matter·2026
Same journal

Adhesives with a thickness smaller than the fractocohesive length enhance adhesion.

Soft matter·2026
Same journal

Non-equilibrium phase transitions in hybrid Voronoi models of cell colonies.

Soft matter·2026
Same journal

Effects of methoxy substituents on self-assembly and gelation performance of benzamide-based organogelators.

Soft matter·2026
Same journal

Rheology of <i>Escherichia coli</i> suspensions with various bacterial morphologies and motion characteristics.

Soft matter·2026
See all related articles

Related Experiment Video

Updated: Apr 22, 2026

Magnetically Induced Rotating Rayleigh-Taylor Instability
06:42

Magnetically Induced Rotating Rayleigh-Taylor Instability

Published on: March 3, 2017

9.2K

Complex magnetic fields breathe life into fluids.

Kyle J Solis1, James E Martin

  • 1Sandia National Laboratories, Albuquerque, New Mexico 87185, USA. jmartin@sandia.gov.

Soft Matter
|October 16, 2014
PubMed
Summary
This summary is machine-generated.

Researchers created self-healing fluid automatons that mimic life-like behaviors using magnetic fields. These remotely powered systems offer novel applications in water purification and microfluidics.

More Related Videos

Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT
08:57

Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT

Published on: March 3, 2023

4.1K
The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

27.9K

Related Experiment Videos

Last Updated: Apr 22, 2026

Magnetically Induced Rotating Rayleigh-Taylor Instability
06:42

Magnetically Induced Rotating Rayleigh-Taylor Instability

Published on: March 3, 2017

9.2K
Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT
08:57

Measuring the Influence of Magnetic Vestibular Stimulation on Nystagmus, Self-Motion Perception, and Cognitive Performance in a 7T MRT

Published on: March 3, 2023

4.1K
The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids
10:03

The Preparation of Electrohydrodynamic Bridges from Polar Dielectric Liquids

Published on: September 30, 2014

27.9K

Area of Science:

  • Materials Science
  • Soft Matter Physics
  • Biophysics

Background:

  • Traditional materials research focuses on equilibrium processes, yielding inert substances.
  • Living systems, conversely, rely on far-from-equilibrium kinetics powered by continuous energy flux.
  • This contrasts with the static nature of most synthetic materials.

Purpose of the Study:

  • To investigate the possibility of creating life-like collective dynamics in synthetic materials.
  • To explore the autonomous behavior of magnetic fluid systems under external fields.
  • To demonstrate novel applications for energy-driven fluidic systems.

Main Methods:

  • Magnetic fluids were suspended in an immiscible liquid.
  • Uniform, multidimensional, time-dependent magnetic fields were applied.
  • Observation of emergent collective behaviors such as locomotion, swarming, and feeding.

Main Results:

  • Life-like collective dynamics, including locomotion, swarming, and feeding, were spontaneously generated.
  • These behaviors were sustained by continuous energy injection from the applied magnetic field.
  • Leaderless, autonomous, and emergent behaviors were observed without external guidance.

Conclusions:

  • Remotely powered, self-healing fluid automatons exhibiting life-like dynamics are achievable.
  • Potential applications include water purification, controlled chemical release, fluid mixing, and microfluidic manipulation.
  • This work opens new avenues for designing active matter and functional fluidic systems.