template: ### Instruction: Rewrite this English sentence to give a better translation.
  
  ### English: There are very industrious experiments being built on Earth -- one called LIGO -- which will detect deviations in the squeezing and stretching of space at less than the fraction of a nucleus of an atom over four kilometers.
  ### English rewrite: Today there is a very complex project: LIGO (Laser Interferometric Gravitational-Wave Observatory) - it monitors deviations in space fluctuations, the smallest - the size of an atomic nucleus per 4 kilometers.