Stanford Professor Rebecca Silverman discusses a transformative movement backed by research that is changing literacy ...

Abstract: For ground-based radars, the troposphere and ionosphere are the main sources of measurement errors. Currently, with the increasing demands for target tracking in many engineering ...

Discover how converging lenses create real and virtual images in this clear and engaging physics tutorial. This video breaks down the principles of refraction, focal points, and image formation, using ...

One may think of rocks as static, immovable objects that silently observe the world slowly changing around them. And yet ...

Abstract: In communications between ground stations and vehicles, including launch vehicles and satellites, radio waves are bent owing to the vertical gradient of atmospheric refractivity. The ...

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