The whole of the UK is gripped in the coldest day of the year so far with temperatures struggling to achieve above zero all day!! Some lucky window cleaners out there will have hot water systems to help them get through the winter. Does the hot water brigade fair better than the cold water brigade. Take a look at these facts on Does Hot Water Freeze Faster Than Cold? Remember be careful out there and risk assess the weather you enter in…

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At what temperature does water have to freeze? Not necessarily at zero degrees Celsius, say scientists. Water can exist in liquid form well below this threshold, notably in a so-called ‘supercooled’ state. Scientists have found that rather than becoming ice once it’s cooled to zero degrees Celsius, supercooled liquid water can hold out until it reaches -48 degrees Celsius. According to the study, if you want to form ice from liquid water, you need a ‘seed’…

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