The robo-dog, called RaiBo, is the first to be able to navigate uneven surfaces and can bound along sand dunes at three metres per ... various types of ground without prior information while walking ...

Image credit: USGS/NASA/Landsat 7 This is the Erg Chech at sunset, a massive sand sea that embodies the endless dunes and lack of vegetation that characterizes our most stereotypical ideas of a ...