We present a wideband reflectarray antenna with electronic beam-steering capability. The beam-steerable reflectarray uses an electronically reconfigurable polarization-rotating unit cell (PRUC) that ...

Proton therapy is a type of external beam radiation therapy that delivers high dose radiation directly to cancer cells. Learn about its benefits and uses for breast cancer treatment.

He does, though, have two specifications of Yamaha’s inline-four engine to try in Aragon, where the V4 variant of the YZR-M1 is still absent. “We have two engines,” Fernandez said.

NEC PC Engine CD CollectionNote:Archives are arranged by regions or foldersIf page exceeds 1TB, it will span across multiple pagesSmaller files are compress as ...

Small turbocharged engines are all the rage these days. Their popularity has grown over the last decade or so, and that’s around the same time that Ford introduced some of its own. EcoBoost ...

I don't know what happened to Alex (Albon), actually. And I'm sure we'll understand it." If Wolff is right, the Mercedes engine shouldn't go through many more issues this season.

In this letter, the beam scheduling problem for Low Earth Orbit (LEO) multi-beam satellite systems are investigated. To fully exploit the flexibility of existing on-board phased array multi-beam ...

All steam locomotives have been withdrawn from the Great Central Railway (GCR) after a series of wildfires next to the line. Bosses on the heritage line say they are taking the precautionary ...

The National Transportation Safety Board issued an urgent safety recommendation Wednesday to address the possibility of smoke entering the cockpit or cabin of Boeing 737 MAX airplanes equipped ...

By JOSH FUNK Safety experts recommended Wednesday that the engines on Boeing’s troubled 737 Max airplanes be modified quickly to prevent smoke from filling the cockpit or cabin after a safety ...

On July 6, 1535, former Lord Chancellor was beheaded in London after being convicted of treason against King Henry VIII. More had not supported the King's policy toward the church or his marriage to ...

Air India flight AI-171 tragically crashed shortly after takeoff from Ahmedabad, killing all 241 onboard. Videos suggest a possible dual engine failure, compounded by the landing gear remaining ...