How this Navigation Light Uses the Moiré Effect to Guide Ships Home

https://www.youtube.com/watch?v=d99_h30swtM 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 … [Read more...]

WATCH: Transition and Launch of the Guided Missile Destroyer Ralph Johnson (DDG 114)

On December 12th, 2015 the Arleigh Burke-class destroyer the Ralph Johnson (DDG 114) was launched from Pascagoula, Mississippi. The guided missile destroyer is named in honor of South Carolina native and Medal of Honor decorated Pfc. Ralph Henry Johnson. Huntington Ingalls Industries describes that craft as a,"highly capable, multi-mission ship can conduct a variety of … [Read more...]

Castaway Who Survived 15 Months At Sea Accused of Eating Friend

The remarkable story of Mexican castaway Salvador Alvarenga has taken grim turn as the family of the boy who accompanied him on his ill fated fishing trip off the coast of Chiapas Mexico has accused him of cannibalism and is suing for $1 million dollars. Alvarenga was made famous in 2014 after spending 15 months adrift at sea in a small fishing boat. He set out for … [Read more...]