Create a cute crochet butterfly keychain with this easy beginner-friendly tutorial using simple stitches and step-by-step instructions. This quick amigurumi-style keychain is perfect for bag charms, ...

The flap of a butterfly’s wings in South America can famously lead to a tornado in the Caribbean. The so-called butterfly effect—or “sensitive dependence on initial conditions,” as it is more ...

ABSTRACT: Multi-objective optimization remains a significant and realistic problem in engineering. A trade-off among conflicting objectives subject to equality and inequality constraints is known as ...

Olivera Ciraj Bjelac, IAEA Department of Nuclear Sciences and Applications To support hospitals and specialists around the world in meeting their safety standards requirements, the IAEA has produced a ...

Welcome to Part 1 of the Betty the Butterfly Amigurumi Tutorial for the Sweet Softies Creator Challenge! In this beginner-friendly video, you’ll learn how to crochet the head and antennae of your ...

Abstract: Parameter identification of photovoltaic models (PIPM) is essential for controlling a photovoltaic (PV) system. However, due to its complexity, most existing methods still suffer from ...

Abstract: Challenge-and-response authentication requires a MAC originator and a MAC recipient to compute a message authentication code based on a hidden secret and public data. The originator is ...