This video presents the analytical solution for the electric field along the axis of a uniformly charged disk. Starting from Coulomb’s law, we derive the exact expression and discuss its physical ...
As the Parker Solar Probe ventures closer to the sun, we are learning new things about our home star. In a new study, physicists led by the University of Iowa report the first definitive measurements ...
This remarkable miniature rotorcraft is so lightweight and efficient that it can lift its own mass given nothing but sunlight. The entire thing weighs about as much as four paperclips, and it can fly ...
A collaborative team led by Prof. Yi Xiong from Wuhan Textile University, Prof. Wei Zeng from Anhui University, and Prof.
In this video, we derive the electric field between two charged plates using fundamental principles of electrostatics. Step-by-step reasoning, clear equations, and physical intuition are used to show ...
This alternating electric field produces what are called dielectrophoretic forces, which are essentially a non-uniform electric field creating a traveling wave that pushes dust across the surface. By ...
The K3 ® IS camera from Gatan provides synchronous low-dose imaging via real-time electron counting, rapid continuous data capture and a large field of view. In a 4D STEM experiment, the speed of the ...
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