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  • Metal shipping containers on the deck of a cargo ship. Caption: The ship's metal is more dense than water,

    The technology that keeps huge cargo ships afloat is amazingly simple. A student in Naval Construction and Engineering at MIT explains just how simple it really is. Part of the "Science Out Loud" series.

    (Source: DCMP)

  • Brightly colored tropical fish. Caption: how they work together to execute underwater maneuvers,

    With support from the National Science Foundation, aerospace engineer Michael Philen and his team at Virginia Tech are investigating the biomechanics of fish locomotion, in hopes of contributing to the next generation of robotic fish and underwater submersibles. They’re studying how fish use their muscles to swim efficiently and execute underwater maneuvers, such as darting around in perfectly synchronized schools. They’re also developing new smart materials, such as a bioengineered hair that is modeled after the hair cell sensors on the side of fish that allow it to detect minute changes in water flow. Part of the National Science Foundation Series “Science Nation.”

    (Source: DCMP)