doctor who - What created the Crack in Time? - Science Fiction & Fantasy Stack Exchange

Cracks, called cosmic strings , are topological defects in spacetime that might have formed when the universe was young. They are essentially one-dimensional fault lines in space, made not of mass but pure energy. Some could be infinitely long, and all are almost impossibly thin, much narrower than a proton. Cosmic strings may have formed as the universe cooled after the big bang.


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According to a popular theory, in the hot and dense universe three of the four forces of nature weak, strong and electromagnetic were unified but in the cooler universe they separated. When this symmetry among the forces broke, it might have created topological defects in the form of strings, so named because they would be long, thin fissures in space.

Cracks in the Universe: Physicists Search for Cosmic Strings

Despite the similar names, cosmic strings may or may not be related to the strings predicted to make up fundamental particles in string theory. These strings would have started off tangled and wrinkly when the universe was in its hot, dense state but would have stretched out over time as space itself expanded.

This movement would cause some strings to cross others. Shlaer and his colleagues created a numerical simulation of cosmic string loop formation and ran it on a supercomputer cluster at the university. The results told them how big loops are likely to be when they form, and by extrapolating, the researchers calculated the number and size of the loops that might exist in the universe at any given time.

Doctor Who, "The Cracks In The Skin Of The Universe"

To see is both to believe and to hope. Never the bard, nor a shaman in the manner of Ted Hughes, Tomlinson surveys the cracks in the universe and even dares to heal them with the insistence of perception and the very act of poetry itself. In the beautiful, elegiac title-poem of The Return , fireflies are seen again above the bay of Lerici.


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  • In "New Jersey-New York", he allows each and every one of "a million cars" to become "A travelling eye" that cuts into "the density of spaces" to fix upon a panorama "As merciless and beautiful as the universe". Sometimes these intimations have a more apocalyptic quality. The poem "Monet's Giverny" opens with "A certain fierceness in the sky" and, in answer to the "scrutiny of an eye" and fed "by the fresh resilience of trees", the poet, threading his language through the work of the artist, considers "This pact with time, this urgent landscape".

    The New York poems at the beginning of Cracks in the Universe not only take us back to a city which Tomlinson has written about on many occasions, they also remind us that the poet is writing out of a deeply scarred metropolis. Out of these vertical heights a pigeon, unaware of its own significance, "suddenly launches itself", taking "its shadow with it", and then with a terrible yet striking resonance "bursts into dowdy flower".

    Out of Stoke

    The poem from which the collection draws its title is called "A View from the Shore" and it starts: One of the delights of Tomlinson's poetry is his handling of the poetic line. His correspondence with William Carlos Williams in the s and his subsequent engagement with the American objectivists Louis Zukofsky and George Oppen, as well as Robert Creeley, have led to the virtuoso, and somewhat anglicised, employment of the short-lined, variable American line.

    This often reveals itself in exquisite, single-block, single-sentence pieces that hold the subject in a syntactically dynamic, forward-pushing movement. Tomlinson's poems of observation are never merely static, and the interplay of eye and ear enacts rather than simply describes.

    Expertise. Insights. Illumination.

    This is beautifully shown in "In a Glass of Water". The apparent modesty of subject is pleasing, yet in its treatment of life-force and in that final image the book's ecological concerns are subtly revisited:. Cheap jewels flash up from the inside of a glass which I am draining - the glints and splinters of a room, the green exit sign and the red bandanna round a woman's head - such a horde of pinpoints the eye is left confused by pulsating water that transmits the hand's hesitations as liquid disappearing towards one leaves a glass that is drained.