Science and Technology

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Across
  1. 1. A sweet tropical tuber
  2. 4. Linux OS suitable for cloud computing
  3. 5. Optical
  4. 6. Neutrally charged "star stuff"
  5. 8. Prefix relating to bones
  6. 10. Self-Description, found on social media perhaps
  7. 11. A measure of force
  8. 12. Group of related Orders
  9. 14. "Stiff Lizard" covered in plates
  10. 16. Temp. indicating an absence energy
  11. 18. 1973 'Pink Floyd' hit
Down
  1. 2. Field dedicated to digging up the past
  2. 3. Weather over time
  3. 4. Web address
  4. 7. Combine
  5. 9. Derogatory term for an elder
  6. 11. Roman god of the sea
  7. 13. Hubble's upgrade launched in 2021 (briefly)
  8. 14. What powers ChatGPT
  9. 15. Fastest known thing in the universe
  10. 17. Infra-___