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Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
Robbert Dijkgraaf
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Robbert Dijkgraaf

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We are in the middle of a golden era of exploration. Particle physicists are probing the smallest distances; cosmologists are looking at the very end of the universe. All are looking for answers to …

We are in the middle of a golden era of exploration. Particle physicists are probing the smallest distances; cosmologists are looking at the very end of the universe. All are looking for answers to fundamental questions. What is matter made of? Are there extra dimensions? What is the nature of space and time? What can we learn from our past and future? Presentation by Prof Dr Robbert Dijkgraaf at TEDxAmsterdam

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Transcript

  • 1. The Unknown Universe Robbert Dijkgraaf
  • 2. Very impressive, dear colleague. But does it also work in theory?
  • 3. Galileo’s `Book of Nature’
  • 4. “ The universe cannot be read until we have learned the language and become familiar with the characters in which it is written. It is written in mathematical language, and the letters are triangles, circles and other geometrical figures, without which means it is humanly impossible to comprehend a single word.” Galileo Galilei The Book of Nature
  • 5. “ If all mathematics disappeared today, physics would be set back exactly one week.” “ That was the week that God created the world.” Anonymous Mathematician Richard Feynman “ To those who do not know mathematics it is difficult to get across a real feeling as to the beauty, the deepest beauty, of nature ... If you want to learn about nature, to appreciate nature, it is necessary to understand the language that she speaks in.”
  • 6. Cosmos Relativity Particles Quantum
  • 7. The Universe
  • 8. Curvature of Space-Time Mass
  • 9. The Quantum World
  • 10. Black Box ? in uit
  • 11. Black Box in uit ?
  • 12.  
  • 13.  
  • 14.  
  • 15.  
  • 16.  
  • 17. Anomalous magnetic moment of the electron 1,0011596521859 ± 0,000000000003 8 Hair
  • 18. Standard Model
  • 19. Grand Unified Theory?
  • 20. Dark Matter
  • 21. Strong Force Weak Force Electro Magnetism Gravity Energy GeV Unification 10 15 10 10 10 5 1
  • 22. Space-Time Foam Planck length 10 -35 m
  • 23. Max Planck } Planck length
  • 24. The Hierarchy Hubble Scale (largest) “ Life” Planck Scale (smallest)
  • 25. The Unbearable Lightness Of Gravity
  • 26.  
  • 27. Why is every electron exactly the same? NATURE’S ELECTRON FACTORY
  • 28. There is only one electron in the universe! John Wheeler Richard Feynman
  • 29. Space-Time time + + + + + - - - - - -
  • 30. Virtual Particles time
  • 31. Vacuum Fluctuations time
  • 32. Vacuum Fluctuations time
  • 33.  
  • 34. Dark Energy
  • 35.  
  • 36. Weight of the Universe 73% dark energy 23% dark matter 4% known matter
  • 37. Dark Knowledge

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