Hair Ice - Angel Hair Frost - Ice Wool

Hair Ice - Angel Hair Frost - Ice Wool

Regular price $57.00 $0.00
In some forests on humid winter nights, peculiar ice crystals form on rotting wood from broadleaf trees.The ice looks like bursts of hairy cloud, and sometimes a bit like candy floss. It is neither. These hair-like wisps appear at night and melt when the sun comes up. Scientists have now discovered exactly what gives "hair ice" its strange shape. It's caused by a fungus called Exidiopsis effusa that was discovered in 2015 by German and Swiss scientists.
Hair ice only grows on humid winter nights when the temperature is just below 0°C. When the fungus is not present, ice still forms, but in a crust-like structure instead. The action of the fungus is to enable the ice to form thin hairs – with a diameter of about 0.01mm – and to keep this shape over many hours at temperatures close to 0°C.
~ BBC Earth ~
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