Dry Valley soils originate from weathering of bedrock and glacial tills that consist of granites, sandstones, basalts and metamorphic rocks. Figure 1: Phylogenetic diversity of bacterial 16S ...

ETH Zurich researchers have trained an autonomous excavator to construct a dry- stone wall 65m long and 6m high out of random rocks and building waste. Using sensors including cameras and lidar, it ...