Instead of a single, sudden, overwhelming collapse, there can be hours, days and even weeks punctuated by small fusillades of rock, long eerie silences and then bigger falls.
This so-called evaporative cooling process has allowed AMO physicists to reach the subnanokelvin domain and to achieve what are arguably the coldest objects in the Universe.
The British pro-euro faction has recently started to rediscover its voice, having been silent since Brown said in 2003 that the five tests for monetary union had not been passed.
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