Babbage: Space invaders

The business opportunities from small satellite technology are infinite: from an ‘ambulance’ which rescues malfunctioning spacecraft to devices that can measure the oil level in a tanker from space. Are we on the verge of making gene-editing technology safer? And, 50 years after man set foot on the moon, Oliver Morton, senior editor and author, predicts the future of humans’ relationship with lunar exploration. Kenn Cukier hosts

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