The sun is heating up - throwing off new powerful solar flares.
Instapundit highlights the possible bad news.
The sun is waking up from a long quiet spell. Last week it sent out the strongest flare for four years – and scientists are warning that earth should prepare for an intense electromagnetic storm that, in the worst case, could be a “global Katrina” costing the world economy $2,000bn.
Fix up those typewriters and land line phones. Maybe learn how to send smoke signals.