Necessity's Mother

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Across
  1. 2. A useful machine, tool, instrument etc that has been made to satisfy a need or "necessity"
  2. 3. (adj) A term used by Diamond to describe the rapidly growing development of technology
  3. 6. A term used by J.Diamond to express the spread of technology
Down
  1. 1. willingness to consider new ideas or listen to someone else's opinions
  2. 4. New machines, equipment, and ways of doing things that are based on modern knowledge about science
  3. 5. A new idea, method or invention