IEEE

Speeding up Composite Power System Reliability Evaluation via Efficient Random Line Importance Sampling Combined with Cross-Entropy Method

Abstract: Composite power system reliability evaluation using Monte Carlo simulation often suffers from high computational cost due to the difficulty in capturing rare loss-of-load states. To address ...
IEEE

Improved Ratio Estimator under Stratified Simple Random Sampling Using Auxiliary Variable

Abstract: In this study, we suggested an improved ratio estimator for stratification utilizing an auxiliary variable in simple random sampling. Theoretically, bias ...
CNN

Global warming forced scientists to change the way they look at El Niño

Is your idea of El Niño and La Niña mainly informed by a 1990s-era Chris Farley sketch from “Saturday Night Live?” The late comedian’s definition was hilarious, albeit a bit lacking in scientific ...
Simple Flying

Revealed: The Farcical Chain Of Events Behind El Paso’s Sudden Airspace Shutdown

Luke Diaz is a freelance military writer with experience with active duty experience in the US Navy as well as defense and industrial engineering. He is a former Naval Flight Officer who performed ...