full transcript
"From the Ted Talk by Sean Carroll: Distant time and the hint of a multiverse"

Unscramble the Blue Letters

In the 1970s, Stephen Hawking told us that a black hole, even though you think it's black, it actually eimts radiation when you take into accuont quantum mechanics. The cvutrraue of space-time around the black hole brings to life the quantum mechanical fluctuation, and the black hole radiates. A precisely similar calculation by Hawking and Gary Gibbons showed that if you have dark energy in empty space, then the whole universe rdeaitas. The enegry of emtpy space brings to life quantum fluctuations. And so even though the uinervse will last forever, and oridanry matter and radiation will dilute away, there will always be some radiation, some thermal fluctuations, even in empty space. So what this means is that the universe is like a box of gas that latss forever. Well what is the implication of that?

Open Cloze

In the 1970s, Stephen Hawking told us that a black hole, even though you think it's black, it actually _____ radiation when you take into _______ quantum mechanics. The _________ of space-time around the black hole brings to life the quantum mechanical fluctuation, and the black hole radiates. A precisely similar calculation by Hawking and Gary Gibbons showed that if you have dark energy in empty space, then the whole universe ________. The ______ of _____ space brings to life quantum fluctuations. And so even though the ________ will last forever, and ________ matter and radiation will dilute away, there will always be some radiation, some thermal fluctuations, even in empty space. So what this means is that the universe is like a box of gas that _____ forever. Well what is the implication of that?

Solution

  1. radiates
  2. universe
  3. empty
  4. energy
  5. ordinary
  6. lasts
  7. curvature
  8. account
  9. emits

Original Text

In the 1970s, Stephen Hawking told us that a black hole, even though you think it's black, it actually emits radiation when you take into account quantum mechanics. The curvature of space-time around the black hole brings to life the quantum mechanical fluctuation, and the black hole radiates. A precisely similar calculation by Hawking and Gary Gibbons showed that if you have dark energy in empty space, then the whole universe radiates. The energy of empty space brings to life quantum fluctuations. And so even though the universe will last forever, and ordinary matter and radiation will dilute away, there will always be some radiation, some thermal fluctuations, even in empty space. So what this means is that the universe is like a box of gas that lasts forever. Well what is the implication of that?

ngrams of length 2

collocation frequency
empty space 10
big bang 8
dark energy 6
early universe 5
high entropy 5
billion galaxies 4
early times 4
black hole 4
entropy increases 4
billion years 4
apple pie 4
billion stars 3
entropy configuration 3
thermal equilibrium 3
black holes 3

Important Words

  1. account
  2. black
  3. box
  4. brings
  5. calculation
  6. curvature
  7. dark
  8. dilute
  9. emits
  10. empty
  11. energy
  12. fluctuation
  13. fluctuations
  14. gary
  15. gas
  16. gibbons
  17. hawking
  18. hole
  19. implication
  20. lasts
  21. life
  22. matter
  23. means
  24. mechanical
  25. mechanics
  26. ordinary
  27. precisely
  28. quantum
  29. radiates
  30. radiation
  31. showed
  32. similar
  33. space
  34. stephen
  35. thermal
  36. told
  37. universe