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  1. Guess the type
    Perhaps the most important person of the last millennium. It's tempting to rubber-stamp ENTP just 'cuz he invented something, but is he so?
  2. Science and Technology
    Building a base on the +Moon could theoretically be made much simpler by using a 3D printer to construct it from local materials. The concept was recently endorsed by the European Space Agency (ESA) which is now collaborating with architects to gauge the feasibility of 3D printing using lunar...