Tag: submarines

Shark skin and owl feathers could inspire quieter underwater sonar

Sharks and owls are evolutionarily optimized in surprisingly similar ways. When it comes to the ocean’s apex predator, their skin’s textured patterns, known as riblets, help cut down on drag. With owls, their tiny feather ridges called serrations allow them to fly silently while hunting prey. Although the naturally-occurring aids have inspired biomimicry-based aeronautic designs […]

Watchdog sounds alarm on the Navy’s fire preparedness

On July 12, 2020, the USS Bonhomme Richard caught fire. The vessel is officially described as an “amphibious assault ship,” a name that doesn’t truly capture the Bonhomme Richard’s role as troop and vehicle transport; its flat top also lets it launch helicopters, V-22 tiltrotor aircraft, and special fighter jets. It was a complex, powerful […]

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