This article explores the performance of a Yagi-Uda patch antenna with Koch fractal geometry of different orders on an FR-4 substrate. It exhibits multiband operation, enabling the use across multiple ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

A typhoon and extreme heat dramatically affected prices for the kumquat trees that are ubiquitous during the holiday. By Mike Ives In Hanoi and other Vietnamese cities at this time of year, potted ...

State-of-the-art antenna design and optimization (D/O) is increasingly being done using Global Search and Optimization (GSO) algorithms such as Ant Colony Optimization (ACO), Particle Swarm ...

Modeling of a Uda Yagi type antenna operating at 2.4 Ghz with an input impedance of 50 ohms, using CST Studio Suite 2023 ...

HANOI/HAIPHONG, Sept 7 (Reuters) - Asia's most powerful storm this year made landfall in northern Vietnam on Saturday, the meteorological agency said, killing at least four people after tearing ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. Vietnam’s northern provinces closed airports and ...