There are several hundreds of spots operating simultaneously on cathodes of vacuum arcs in high-power vacuum circuit breakers. In this work, the spot distribution along the contact surface is ...

Abstract: A viable wide-band circuit model of parallel corrugated differential transmission line is established. By solving for the even- and odd-modes in this structured differential transmission ...

This “little ball of power” is going to replace my power strip and make a beautiful addition to my nightstand.

Comms dept pursues SABC funding model By Kimberly Guest, ITWeb contributorJohannesburg, 07 Jul 2025Television advertising revenue is dwindling and the competition for advertising has heightened.