Why icicles are rippled

ScienceDaily
Feb 7, 2023, 7:42 pm105 pts
Winter is coming to an end; the last nights of below zero temperatures are here. In the morning, one still spots the occasional icicle on a gutter or car bumper. When you look at these icicles carefully, you may notice that they show a characteristic pattern of ripples -- always around one centimetre wide. What…

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