If you could wave a magic wand and create a dataset that doesn't currently exist, what would it be?
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real-time what is in the air (eg. pollution, other substances) from a network of sensors spaced about every 4 metres, worldwide
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love this. why 4 meters?
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It's about the size of a room, indoors, and the height of the storey of a building. I notice different smells at about that distance