"It was quite a surprise to find it there a few centimeters beneath the ground." Archaeologists excavating the Porta Sarno ...
After decades away from public viewing, the mysterious rock formation that gave the North Texas city its name could be put on ...
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 ...