Researchers have discovered an impact crater 900m in diameter in southern China. It hit less than 10,000 years ago, when ...

Charyn Canyon in Kazakhstan is known for its naturally eroded cliffs and remote desert terrain. This video highlights the layered rock structures from various angles. A quiet and raw look at one of ...

For granite materials with complex microstructure, the mechanism of subsurface crack damage and initiation and propagation in abrasive processing may not follow the classical indentation fracture ...