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In lands I never saw -- they say
Immortal Alps look down --
Whose bonnets touch the firmament --
Whose sandals touch the town --

Meek at whose everlasting feet
A myriad daisy play --
Which, Sir, are you and which am I
Upon an August day?

Emily Dickinson
Learn English in July

Monday Night Owls - 15 February 2016 - Einstein´s gravitational waves

NatashaTNatashaT Posts: 1,205 Teacher
We read an article about the discovery of Einstein´s gravitational waves:


Vocabulary Top 10:

ripple - a small wave on the surface of a liquid

to and fro - forward and backward, from one place to another

undergo - to experience or endure something

elusive - hard to find or capture, or hard to understand, define, or remember

coalesce - to come together to form one group or mass

extent - used to indicate the degree to which something exists, happens, or is true

curvature - the amount that something is curved

no mean feat - something that is difficult to do

in turn - following one after another in a particular order

telltale - indicating that something exists or has occurred

In Wednesday´s Night Owl session we will finish reading the article (starting from ´Haven't we heard this news before?´) and then talk more about black holes, waves, and other astronomical things!


  • aprilapril Moderator Posts: 11,207 mod
    Thank you for helping us reading this article, @Natasha.
    It's not an easy topic, but with your help we understand more now :) .
    The black holes in the picture from your link are at least not as frightening as in another pictures like this one

  • NatashaTNatashaT Posts: 1,205 Teacher
    You´re right @april , those black holes are scary!!!
  • aprilapril Moderator Posts: 11,207 mod
    How do they know it looks like that, I wonder!
  • BubblyBubbly Posts: 29,890 ✭✭✭✭
    I couldn't get these lines. :)

    All objects sitting in the path of gravitational waves rhythmically move further apart and closer together as the space they exist in is stretched and squeezed.
  • NatashaTNatashaT Posts: 1,205 Teacher
    @Bubbly - Imagine being on a calm lake, in a boat. Then a fast jetski goes past, and makes waves in the lake. All the other boats and objects floating in the lake move around, and they move towards or away from each other, in time with the waves. The lake is like space, and the jetski waves are the gravitational waves.

    (I hope that helps, and doesn´t confuse you more!)
  • NatashaTNatashaT Posts: 1,205 Teacher
    Extra vocabulary:

    arduous - very difficult

    dry run - a practice event that is done to prepare for the actual event that will happen in the future

    retract - to say that something you said or wrote is not true or correct; to take back (something, such as an offer or promise)

    rigorously - in a very strict and demanding way; done carefully and with a lot of attention to detail

    Question: Do you think this is a useful discovery? Why or why not?
  • BubblyBubbly Posts: 29,890 ✭✭✭✭
    @NatashaT thanks for the explanation. I got it once I read the whole article. But, you made it simple and easy for me. :)
  • ElvinElvin Posts: 454 ✭✭✭
    a nightmare... :D
  • BubblyBubbly Posts: 29,890 ✭✭✭✭
    @Elvin hopefully, this is not your guess for the GTT #17. ;)
  • ElvinElvin Posts: 454 ✭✭✭
    No, @Bubbly, this topic about gravitaional waves is everywhere, I can't avoid it, like a nightmare. :)
  • BubblyBubbly Posts: 29,890 ✭✭✭✭
    @Elvin I've already predicted. ;)
  • VahninVahnin Posts: 81 ✭✭
    edited February 2016
    Hello Natasha. Thank you very much for your wonderful sessions. Your English is perfect. And you are very nice too. Let's read and discuss this article on your Night Owl session at 29th of February .

  • VahninVahnin Posts: 81 ✭✭
    edited February 2016
    > @NatashaT said:
    > We read
    It was WE who read usually , but not YOU ( to be blo.dy honest)
  • VahninVahnin Posts: 81 ✭✭
    Well, actually I asked Her majesty the queen Elizabeth to read this article for group Skypers. She was very kind and did me this greatest favor. You can listen to it here.

  • NatashaTNatashaT Posts: 1,205 Teacher
    @Vahnin - now I´m a little confused! Do you still want to read it during one of the sessions, or do you just want to listen to the recording on your own?
  • VahninVahnin Posts: 81 ✭✭
    I> @NatashaT said:
    > Do you still want to read it during one of the sessions?
    Yes, I do.
    But I try and translate it now and get known new words ,like
    bulk up---to become bigger and heavier
    head-to-head ---competing or meeting directly with someone or something else
    augment UK [ɔːɡˈment] verb [transitive] ---to increase the size, amount, or value of something
    neurogenesis---[ˌnjʊərə(ʊ)ˈdʒɛnɪsɪs] the growth and development of nervous tissue
    treadmills --- a piece of exercise equipment with a flat moving surface that you walk or run on while staying in the same place

    hippocampus--- [ˌhɪpəuˈkæmpəs] a zone in the brain
    rodent ---[ˈrəʊdnt] a type of small animal that has long sharp front teeth, for example a mouse
    array ---[əˈreɪ] to place or arrange something in a particular way,
    a number of pieces of equipment of the same type, connected together to do a particular job
    sedentary --- [ˈsedntri] tending to sit about without taking much exercise
    at will --- at any time that you want or choose
    moderately --- [ˈmɒd(ə)rətli] to some degree but not to a great degree
    sprint --- to run, swim etc at a very fast speed for a short period
    strenuous --- [ˈstrenjuəs] a strenuous activity is one in which it is necessary for you to use a lot of effort, energy, or strength
    skitter --- [ˈskɪtə] to move somewhere quickly and lightly
    robust --- [rəʊˈbʌst] strong in constitution; hardy; vigorous
    teem with--- be full of or swarming with
    implication ---- [ˌɪmplɪˈkeɪʃn] a possible effect or result
    provocative --- [prəˈvɒkətɪv] acting as a stimulus or incitement, esp to anger or sexual desire; provoking
  • VahninVahnin Posts: 81 ✭✭
    edited March 2016

    There are other words which is new for me in the article :
    by intent = deliberatly, advisedly, knowingly,
    f.e. if you use a particular word advisedly, by intent you have thought carefully about it before you use it
    fellow = a member of a professional society or educational institution
    neuron = [ˈnjʊərɒn] a cell that sends messages to your brain and receives messages from your brain through electrical signals
    vary = [ˈveəri] to be different in different situations
    derive = [dɪˈraɪv] to receive or obtain something from something else
    potent = [ˈpəʊtənt] powerful, or effective
    sustained = continuing at the same level or rate for a long time
    regimen = [ˈredʒɪmən] a programme of medical treatment, exercise, or special food for improving your health or appearance
This discussion has been closed.