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Science Daily6h
Tiny quantum drumhead sends sound with 1-in-a-million loss—poised to rewrite tech
Researchers have developed an ultra-thin drumhead-like membrane that lets sound signals, or phonons, travel through it with ...
IEEE3d
An IGBT Current Boosting Method by Using Ultrahigh Driving-Voltage in HVdc Circuit Breaker Applications - IEEE Xplore
High-voltage direct current (HVdc) circuit breakers based on power electronic technology usually require a large number of insulated-gate bipolar transistors (IGBTs) to achieve large-capacity breaking ...
IEEE3d
A High-Efficiency Protection Circuit Integrating Semi-Soft Switching and Voltage Limiting Functions for Solid-State Switch Applications - IEEE Xplore
Despite the high performance of high-voltage direct current circuit breaker (CB) technology, its high cost restricts its further development. Thus, this article proposes a high-efficiency protection ...
FOX Weather4d
What’s the difference between rip currents, rip tides and undertows?
If you’re heading to the beach this summer to enjoy the sand and surf, be sure to know the difference between rip currents, ...
Hope Prescott6d
Matthew Wade Kimmel announces candidacy Circuit Judge of the Eighth Judicial District-North, Division 2
Local attorney Matthew Wade Kimmel has announced his candidacy for the position of Circuit Judge of the Eighth Judicial District-North, Division 2, which serves Hempstead and Nevada Counties.