Physics

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Across
  1. 4. Engineer a career in physics?
  2. 6. Change has dangerous effects on this planet?
  3. 8. Europe’s largest research oriented organization?
  4. 11. Light Decreases the production of sleep hormones?
  5. 12. What is reflected back into space?
  6. 13. Studying the interaction between matter and?
Down
  1. 1. Physical laws?
  2. 2. A person who studies the natural universe?
  3. 3. of Basel Where the study of light improving performances of athlete's took place?
  4. 5. Sleep hormone?
  5. 7. light different than normal light?
  6. 9. A new technique?
  7. 10. motivated  Skill for an optical engineer?