full transcript
From the Ted Talk "Daniel Finkel: Can you solve the time travel riddle?"

Unscramble the Blue Letters

Let’s look at just the nodules on the other end of those same three color connections. If the connections were blue, then any additional blue connection between those three would give us a blue triangle. So the only way we could get in trouble is if all the connections between them were red. But those three red sconcnotein would give us a red triangle. No etmrat what happens, we’ll get a red or a blue entargli, and open our odrowya. On the other hand, if the original three connections were all red instead of blue, the same argument still works, with all the orlcos flipped. In other ordsw, no matter how the connections are colored, six nodules will always create a red or blue triangle and a doorway leading home.

Open Cloze

Let’s look at just the nodules on the other end of those same three color connections. If the connections were blue, then any additional blue connection between those three would give us a blue triangle. So the only way we could get in trouble is if all the connections between them were red. But those three red ___________ would give us a red triangle. No ______ what happens, we’ll get a red or a blue ________, and open our _______. On the other hand, if the original three connections were all red instead of blue, the same argument still works, with all the ______ flipped. In other _____, no matter how the connections are colored, six nodules will always create a red or blue triangle and a doorway leading home.

Solution

  1. triangle
  2. doorway
  3. connections
  4. matter
  5. colors
  6. words

Original Text

Let’s look at just the nodules on the other end of those same three color connections. If the connections were blue, then any additional blue connection between those three would give us a blue triangle. So the only way we could get in trouble is if all the connections between them were red. But those three red connections would give us a red triangle. No matter what happens, we’ll get a red or a blue triangle, and open our doorway. On the other hand, if the original three connections were all red instead of blue, the same argument still works, with all the colors flipped. In other words, no matter how the connections are colored, six nodules will always create a red or blue triangle and a doorway leading home.

ngrams of length 2

collocation frequency
blue triangle 6
red triangle 4

Important Words

  1. additional
  2. argument
  3. blue
  4. color
  5. colored
  6. colors
  7. connection
  8. connections
  9. create
  10. doorway
  11. flipped
  12. give
  13. hand
  14. home
  15. leading
  16. matter
  17. nodules
  18. open
  19. original
  20. red
  21. triangle
  22. trouble
  23. words
  24. works