Earth’s magnetic poles flip roughly every 200k to 300k years, but the last reversal was about 780k years ago. Some scientists think we’re overdue, but the timing is unpredictable and could take thousands of years. A flip might disrupt technology and
Hetherington, an English haberdasher, supposedly caused a riot when he first wore a top hat in public. It's reported that several woman fainted when they first saw the top hat in 1797.
