Ye old compass and lag wont get fooled by such mischievous act. | Hacker News

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		dzhiurgis on Aug 31, 2018 \| parent \| context \| favorite \| on: Maersk installed 100-foot-tall rotating sails on o... Ye old compass and lag wont get fooled by such mischievous act.

toomuchtodo on Sept 1, 2018 [–]

Electromagnet.

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