Hope you're having a good summer! This time, Nora Young talks about this Technology Review article on advances in machine learning in tech hubs in Africa, such as Accra and Nairobi.  Cathi Bond has some summer fun for you! Tesla came out with this limited edition, super stylish surfboard (via New Atlas). And, looking for a little, um, calm water fun? How about this? The Wheeebo disc that lets you glide, slowly, along the water.