With the development of new generation communication technology and the research of metasurface antenna technology. The new metasurface antenna has the advantages of high gain, low profile height, ...

There’s more to Houston with the Chronicle. Subscribe today for just 25¢. Before 'Cowboy Carter', Beyoncé and Destiny's Child lit up the rotating stage at Houston Rodeo ...

Get powerful, Up Close View Of The Rotating Input Fan On A Turbine Propeller pre-shot video to fit your next project or storyboard.

In contra-rotating propeller systems, the rear propeller can use the eddy current generated by the front propeller to convert it into useful power, thus improving the energy efficiency of underwater ...

Emergency propeller was deployed: Experts smell a RAT in AI crash, dual-engine failure suspected Pilots say the RAT is a two-bladed propeller that deploys automatically and is designed to provide ...