The little-known moiré effect is the basis of this marker that helps mariners navigate hazards in port or close to shore. In this video, the host explains this effect and poses the question: why, in the case of Southampton, is a moiré effect beacon, aka an inogon leading mark, used to mark an undersea cable to be avoided instead of guiding people home?
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US President Donald Trump has raised the stakes for a meeting of an OPEC+ ministerial panel next month, with his call for the group to lower oil prices.
Vessels in the northern Gulf have received multiple VHF radio challenges, including demands to alter course, the United Kingdom Maritime Trade Operations said on Friday, adding they could be part of an Iranian military exercise.
LONDON, Jan 24 (Reuters) – The Russian Embassy in London said that Russia posed no threat to undersea cables in Britain and other NATO countries, after UK defence minister John Healey accused Moscow of “malign...
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