A ‘cosmic clock’ in tiny crystals has revealed the rise and fall of Australia’s ancient landscapes

Australia’s iconic red landscapes have been home to Aboriginal culture and recorded in songlines for tens of thousands of ...

Signs of ancient life turn up in an unexpected place

Dr. Rowan Martindale, a paleoecologist and geobiologist at the University of Texas at Austin, was walking through the Dadès Valley in the Central High Atlas Mountains of Morocco when she saw something ...
Modern Engineering Marvels on MSN

NASA’s hidden Rainbow Canyon, millions of years in one frame

Cedar Breaks, seen 10,000 feet above, is not a canyon, but the slice of a memory of the earth. The high rim of Cedar Breaks National Monument, southwestern Utah, in a single Landsat 9 view opens into ...
IEEE

Analysis of Melt Erosion and Deposition at Contact Interface in Convex Rail Launcher

Abstract: In railgun, the melting erosion and deposition at the interface between the armature and rail have severe influences on the bore life and the launch performance. In this article, using a ...
Politico

Jack Smith makes his case against Trump in closed-door deposition

Former special counsel Jack Smith, who led the federal criminal cases against President Donald Trump during the Biden administration, defended his investigations in a closed-door deposition Wednesday ...
IEEE

Observation and Suppression of Growth Pits Formed on 4H-SiC Epitaxial Films Grown Using Halide Chemical Vapor Deposition Process

Abstract: In this study, the origin of growth pits on the surface of 4H-silicon carbide epitaxial films grown using a chemical vapor deposition reactor was clarified by evaluating the surface ...