full transcript

From the Ted Talk by Dustin Schroeder: How we look kilometers below the Antarctic ice sheet

Unscramble the Blue Letters

But neither gives us what we really want: both at the same time. And if we're going to do that, we're going to need totally new ways of observing the ice sheet. And ideally, those should be extremely low-cost so that we can take lots of measurements from lots of sensors. Well, for existing radar systems, the biggest driver of cost is the power required to transmit the radar siganl itself. So it’d be great if we were able to use existing riado smysets or radio signals that are in the environment. And fortunately, the entire field of radio astronomy is built on the fact that there are birhgt radio sginals in the sky. And a really bright one is our sun.

Open Cloze

But neither gives us what we really want: both at the same time. And if we're going to do that, we're going to need totally new ways of observing the ice sheet. And ideally, those should be extremely low-cost so that we can take lots of measurements from lots of sensors. Well, for existing radar systems, the biggest driver of cost is the power required to transmit the radar ______ itself. So it’d be great if we were able to use existing _____ _______ or radio signals that are in the environment. And fortunately, the entire field of radio astronomy is built on the fact that there are ______ radio _______ in the sky. And a really bright one is our sun.

Solution

  1. bright
  2. signal
  3. signals
  4. radio
  5. systems

Original Text

But neither gives us what we really want: both at the same time. And if we're going to do that, we're going to need totally new ways of observing the ice sheet. And ideally, those should be extremely low-cost so that we can take lots of measurements from lots of sensors. Well, for existing radar systems, the biggest driver of cost is the power required to transmit the radar signal itself. So it’d be great if we were able to use existing radio systems or radio signals that are in the environment. And fortunately, the entire field of radio astronomy is built on the fact that there are bright radio signals in the sky. And a really bright one is our sun.

Frequently Occurring Word Combinations

ngrams of length 2

collocation frequency
ice sheet 15
sea level 9
ice sheets 6
level rise 3
radio signals 3
antarctic ice 2
beneath kilometers 2
bright layer 2
radar systems 2
radar signal 2

ngrams of length 3

collocation frequency
sea level rise 3
antarctic ice sheet 2

Important Words

  1. astronomy
  2. biggest
  3. bright
  4. built
  5. cost
  6. driver
  7. entire
  8. environment
  9. existing
  10. extremely
  11. fact
  12. field
  13. fortunately
  14. great
  15. ice
  16. ideally
  17. lots
  18. measurements
  19. observing
  20. power
  21. radar
  22. radio
  23. required
  24. sensors
  25. sheet
  26. signal
  27. signals
  28. sky
  29. sun
  30. systems
  31. time
  32. totally
  33. transmit
  34. ways