Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For ...

About 340 million years ago, the Appalachian Mountains were as tall as the Himalayas and spanned across what is today three continents.

Abstract: In this study, height maps that give enough information for low frequency components are generated for fired cartridge cases by using the method including single camera and single structured ...

Abstract: The first results of a project aimed at estimating forest height over the entire Spain by means of TanDEM-X data are shown and discussed in this work. Four test sites representative of the ...