it spun at 3000 RPM and ground holes up to 5 mm deep, exposing unweathered rock for the rovers spectrometer and other instruments to analyze. Still, all these excavations on the Moon and Mars have ...

An intelligent inversion framework for soil parameters in deep excavations is established by using BIM technology, finite difference method (FDM), and nondominated sorting genetic algorithm II ...

The trenching machine is used to lay down water pipes and fibre optic cable. It can dig holes up to 5.5 metres deep and 1.5 metres wide. Produced by Jasper Pickering. Special thanks to Leon Siciliano.

Several man-made excavations have turned into historical ... it remains one of South Africa’s top attractions. How deep is ...