A spark of evolution: When differences in coexistence create new species

A simple change in species composition can impact the course of evolution: A research team from the University of Bern and the University of British Columbia in Canada shows that the presence of just ...

Tesla: The Trillion-Dollar Company That Isn't One (Rating Downgrade)

Tesla stock downgraded to Sell as high valuation clashes with weak growth, declining earnings, and expiring tax credits. Read ...
IEEE

Fusion Prediction Model of Broadcast Radio Signal Propagation Based on the Coefficient of Variation Method

Abstract: To support the planning and development of broadcasting, we first develop a novel fusion prediction model by introducing the coefficient of variation method (CVM) in radio wave propagation ...
The New York Times

Harris’s Memoir Is Another Example of the Democrats’ Problem

Three Opinion writers break down the former vice president’s book of excuses. By Michelle Cottle Carlos Lozada and Lydia Polgreen Produced by Vishakha Darbha Three Opinion writers weigh in on Kamala ...
IEEE

Primary-Frequency-Tuning and Secondary-Impedance-Matching IPT Converter With Programmable Constant Power Output and Optimal Efficiency Tracking Against Variation of Coupling ...

Abstract: For inductive power transfer (IPT) systems, load conditions and coupling coefficient are subject to change, and affect system power and efficiency. Aiming at addressing this issue, this ...