Metallic Sphere
Metallic Sphere - Related Videos
02:37
Metallic Solids
0 Views •
2020
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties. All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability. Many...
09:23
Turbulence Sphere Method: Evaluating Wind Tunnel Flow Quality
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2023
Source: Jose Roberto Moreto and Xiaofeng Liu, Department of Aerospace Engineering, San Diego State University, San Diego, CA Wind tunnel tests are useful in the design of vehicles and structures that are subjected to airflow during their use. Wind tunnel data are generated by applying a controlled air flow to a model of the object being studied. The test model usually has a similar geometry but is a smaller scale compared to the full-sized object. To ensure accurate and useful data is collected...
02:26
Generating 3D Co-culture Spheres of Astrocytes and Neurons to Induce Synapse Formation
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2025
This video demonstrates a procedure for co-culturing the astrocytes and neurons to form 3D spheres. These 3D spheres provide a distinct platform for examining synapse formation and neural network integration, thereby serving as a potential model for research in developmental neuroscience, neurodegenerative diseases, and neuropharmacological interventions.
02:07
Utilizing Multielectrode Arrays to Measure Synaptic Physiology in 3D Coculture Spheres
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2025
This video demonstrates the procedure of using the multielectrode array (MEA) to measure synaptic physiology in 3D coculture spheres. This method allows to understand the neural network dynamics and synaptic network burst activity within the 3D spheres.
11:05
Quadruply Metal-Metal Bonded Paddlewheels
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2023
Source: Corey Burns, Tamara M. Powers, Department of Chemistry, Texas A&M University Paddlewheel complexes are a class of compounds comprised of two metal ions (1st, 2nd, or 3rd row transition metals) held in proximity by four bridging ligands (most commonly formamidinates or carboxylates) (Figure 1). Varying the identity of the metal ion and the bridging ligand provides access to large families of paddlewheel complexes. The structure of paddlewheel complexes allows for metal-metal bonding,...
FAQs
At electrostatic equilibrium, mobile electrons have redistributed until the electric field inside the conducting material is zero. This condition distinguishes the settled state from a changing charge arrangement. For calculations, it allows the interior region to be treated separately from the surface and exterior, making the sphere a useful controlled model in electrostatics.
The spherical form of an isolated charged sphere makes its external electric field equivalent to that produced by a point charge at the center. Consequently, calculations outside the sphere can use the sphere’s total charge and radius to determine field strength, without requiring a detailed treatment of the surface distribution.
The charge and radius are the principal quantities to identify for an isolated charged sphere. The overview links them to the strength of the external field, while electrostatic equilibrium determines the zero-field condition inside the metal. Stating these conditions prevents confusion between interior behavior and the field outside the sphere.
Charge induction matters because mobile electrons are able to redistribute across the sphere’s surface. This redistribution provides a physical basis for examining how charge arrangements relate to electric-field behavior. In physics, the spherical conductor therefore serves as a manageable model for studying induced charge while keeping the geometry simple enough for focused electrostatic analysis.
First identify the sphere’s radius, charge condition, and whether it is isolated. Next establish whether electrostatic equilibrium applies, then distinguish the interior conducting material from the surface and the external region. This organization helps determine whether the relevant result concerns the zero internal field, the external field, electric potential, or capacitance.
These principles support calculations involving electric potential, capacitance, charge induction, and field behavior. They also provide a foundation for understanding capacitors, electrostatic shielding, and electrostatic experiments. Because the geometry is well defined, the model connects fundamental electrostatics with engineering situations involving spherical conductors and controlled charge distributions.