full transcript

From the Ted Talk by Harald Haas: Forget Wi-Fi. Meet the new Li-Fi Internet

Unscramble the Blue Letters

But next I would like to activate the snramiteg of the video. And I've done this by pssering this button. So now this LED lamp here is streaming a video by changing the brightness of the LED in a very subtle way, and in a way that you can't recognize with your eye, because the changes are too fast to recognize. But in order to prove the point, I can block the light of the solar cell. So first you notice the egnrey harvesting dpors and the video stops as well. If I remove the blockage, the video will rearstt.

Open Cloze

But next I would like to activate the _________ of the video. And I've done this by ________ this button. So now this LED lamp here is streaming a video by changing the brightness of the LED in a very subtle way, and in a way that you can't recognize with your eye, because the changes are too fast to recognize. But in order to prove the point, I can block the light of the solar cell. So first you notice the ______ harvesting _____ and the video stops as well. If I remove the blockage, the video will _______.

Solution

  1. pressing
  2. streaming
  3. energy
  4. restart
  5. drops

Original Text

But next I would like to activate the streaming of the video. And I've done this by pressing this button. So now this LED lamp here is streaming a video by changing the brightness of the LED in a very subtle way, and in a way that you can't recognize with your eye, because the changes are too fast to recognize. But in order to prove the point, I can block the light of the solar cell. So first you notice the energy harvesting drops and the video stops as well. If I remove the blockage, the video will restart.

Frequently Occurring Word Combinations

ngrams of length 2

collocation frequency
solar cell 15
solar cells 5
led lamp 4
energy harvested 3
cells integrated 3
existing infrastructure 2
energy harvesting 2

ngrams of length 3

collocation frequency
solar cells integrated 3

Important Words

  1. activate
  2. block
  3. blockage
  4. brightness
  5. button
  6. cell
  7. changing
  8. drops
  9. energy
  10. eye
  11. fast
  12. harvesting
  13. lamp
  14. led
  15. light
  16. notice
  17. order
  18. point
  19. pressing
  20. prove
  21. recognize
  22. remove
  23. restart
  24. solar
  25. stops
  26. streaming
  27. subtle
  28. video