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orc20152 karma

Which inventions/processes do you think will be making a big difference in a few years that are not on people's radar?

Also, what do you think of: https://docs.google.com/document/d/1MlyQlTX35btn51I6h_W8SJBemeIVv-5OVkR4BdPFTKA/edit?usp=sharing? Not tied to pollution but may be relevant to you. Thanks