The Best EcoFlow Portable Power Stations, From Camping to Whole-Home Backup

The Delta 3 Pro earned a spot in our portable power station roundup as our best whole-home backup pick—and our testing backed ...
AOL

Stretch Your Dollar | How to lower your AC bill: Simple fixes that could save you money this week

STERLING, Va. (DC News Now) — As the first stretch of hot weather hits, many in the DMV will turn on their air conditioning for the first time this year, potentially driving up their energy bills ...
Journal of Medical Internet Research

Predicting the Risk of Sleep Disorders Using a Machine Learning–Based Simple Questionnaire: Development and Validation Study

We applied extreme gradient boosting using selected features to develop a simple questionnaire predicting sleep disorders (SLEEPS). The accuracy of the algorithm was evaluated using the area under the ...
IEEE

A Simple Method to Build a Linear Circuit Model for a Multiwinding Transformer Used in EMI/EMC Analysis

Abstract: This letter presents an easy-to-use technique for identifying lumped parameters of equivalent circuits for multiwinding transformers. The equivalent circuit helps to model ...
IEEE

Optimal Design of Resonance Circuit Topology for a Wireless Power Transmission System Using HTS Coils

Abstract: We have been investigating a wireless power transmission (WPT) system using high-temperature superconducting (HTS) coils for stopped railway vehicles at a station. On the other hand, the ...