"BGS (British Geological Survey) scientists say that studying past solar activity could inform the prediction of future space weather and help mitigate threats to national infrastructure.
"In 1972, a geomagnetic storm provoked by a solar flare knocked out long-distance telephone communication across the US state of Illinois.
"And in 1989, another storm plunged six million people into darkness across the Canadian province of Quebec."
By Paul Rincon, BBC Science Reporter
#physics, #coolphysics: "The one exclusive sign of thorough knowledge is the power of teaching." Aristotle
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