1. Anne Green The Large Hadron Collider and the search for dark matter The Large Hadron Collider and the search for dark matter

2. a person: ~1 metre

3. cell ~ 0. 000 010 m ~ 10 -5 m ~ 10  m

4. DNA ~ 0. 000 000 001m ~ 10 -9 m

5. a Carbon atom: ~ 10 -10 m

6. a proton: ~ 10 -15 m

20. ? ?

22. the Earth: ~10 000 km ~ 10 7 m

23. the Solar System: ~ 10 12 m

24. the Milky Way: ~ 10 21 m ~ 10 5 light years

25. the Virgo cluster, radius ~ 10 million light years

26. 250, 000 million galaxies within 1 billion light years

27. ? ?

39. S ~ ~ ~ ~ ~~~ ~ ~ ~ ~ ~ ~ ~ ~ ~ squarks sleptons { { } -inos

48. http://hands-on-cern.physto.se/ani/acc_lhc_atlas/lhc_atlas.swf

52. Other big questions for the Large Hadron Collider

53. What was the Universe like just after the Big Bang? Other big questions for the Large Hadron Collider

54. What was the Universe like just after the Big Bang? How many dimensions are there? Other big questions for the Large Hadron Collider

55. What was the Universe like just after the Big Bang? How many dimensions are there? Where is the anti-matter? Other big questions for the Large Hadron Collider

56. What was the Universe like just after the Big Bang? How many dimensions are there? Where is the anti-matter? How do particles get their mass? Other big questions for the Large Hadron Collider

66. a proton: ~ 10 -15 m