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Click takes a look at the technology that is enabling low cost space exploration - essentially using cheap off the shelf components to create thousands of small space craft, that together could drastically cut the costs and efficiency of space exploration. They also try out Lytro's new camera, which could do away with the need for green screens, and the team get early access to Dyson's latest product - a �299 hairdryer created in their purpose-built �50m research centre.