Our weekly news round-up: Trump directs Pentagon to set up "Space Force" to ensure America's continued dominance beyond Earth; Microsoft's Project Natick places environmentally friendly data centres underwater; Google's DeepMind AI learns how to see via a generative query network; Europe's new General Data Protection Regulation is cleaning up the world's email spam problem; Vivo X21 is world's first smart phone with in-display fingerprint sensor; Australian Criminal Intelligence Commission abandons deal with NEC to expand national fingerprint database with other biometric info, such as facial and footprint recognition.