The article opens with a thought experiment, explaining how two dipole antennas are like capacitors, but then also explains how they are different, and why a 1/4 wave dipole saves the day.

NASA's MMS mission discovered whistler-mode chorus waves in an unexpected region, the terrestrial mid-tail neutral sheet, revealing new insights into wave-particle dynamics. These findings challenge ...

Electric potential, potential difference, electric potential due to a point charge, a dipole and system of charges ... and their magnifying powers. Wave optics: Wave front and Huygen’s principle ...