The liquid being used to cool a new computer server, developed in Rotherham and being tested in Leeds, is extraordinary stuff, according to scientists. The fluid doesn't conduct electricity which is why components like circuit boards survive being immersed in it. A mobile phone would still work:
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Former Police Inspector Harry White told the inquests that he was told that fans entering the terraces should "find their own level."
A former police inspector has told the inquests he realised fans entering through an exit gate would head towards already crowded pens.