We never quite seem to get to one design that can do everything. This copper-foil Yagi antenna might not do everything, but it really seems to tick off the boxes for gain and directionality along ...

Let there be light - and it was directional: The world's first electrically powered Yagi-Uda antenna was built at the University of Würzburg's Department of Physics. Disclaimer: AAAS and EurekAlert!

A rooftop TV antenna is a great example of the type, called a Yagi-Uda array after its inventors. They set out to create a wireless energy transmission system using radio waves, and found ...

Omnidirectional and directional antennas represented in WiFi Yagi-Uda antennas, which have an active element with accompanying parasitic and reflective elements to create a highly-directed ...

Key aspects of the electromagnetic wave behavior and design of antennas and antenna arrays from wire dipoles and Yagi-Uda antennas above the Earth’s surface to aperture antennas such as horns and ...

When you’re on the road with your RV, your family will want to watch the same collection of broadcast TV shows that they do when they’re at home, but you won’t be able to do it without a high-quality ...

Here’s how it works. I couldn't live without a TV antenna. It's as important to me as any streaming service because it allows me to watch sports, sitcoms and news without having to pay a monthly ...

Stem and leaf diagrams make it easier to read lists of number Stem and leaf diagrams are formed by splitting the number into two parts, the ‘stem’ and the ‘leaf. For example: In the number ...

UNICEF is helping families meet urgent needs following flooding and landslides caused by Super Typhoon Yagi, the worst storm to hit Vietnam in decades. A mother and son stand inside their flooded ...

PH 5151 - Quantum Field Theory for Photonics and Materials This course will review the basics of quantum mechanics and second quantization, and cover quantum field theoretical methods, including ...