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  • Thermoelectrics 

    Video

    In this segment of Material Marvels, Dr. Ainissa Ramirez describes how simple devices like cell phones can be powered by heat using thermoelectric materials, which convert heat to electricity.

    9,10,11,12
  • Solar Cells 

    Video

    In this short video, Dr. Ainissa Ramirez, a Yale engineer, shows how sandwiches of silicon (in solar cells) can create energy from sunlight and help curb our dependence on oil.

    9,10,11,12
  • Quasicrystals 

    Video

    The 2011 Nobel Prize in Chemistry went to quasicrystals. But what are they? Dr. Ainissa Ramirez guides us into this strange world where atoms arrange themselves in forbidden ways and create materials with weird properties.

    9,10,11,12
  • Nanomaterials 

    Video

    In this segment of Material Marvels, Dr. Ainissa Ramirez demonstrates how materials behave strangely when they are nanosize—about 1/100,000 the thickness of your hair.

    9,10,11,12
  • Graphene 

    Video

    Dr. Ainissa Ramirez, associate professor of mechanical engineering & materials science at Yale, discusses how a layer of carbon that is one atom thick, called graphene, will revolutionize our lives in this episode of Material Marvels.

    9,10,11,12
  • Space Shuttle Ceramics 

    Video

    Dr. Ainissa Ramirez, associate professor of mechanical engineering & materials science at Yale, demonstrates the heat absorption properties of the space shuttle's ceramic tiles.

    9,10,11,12
  • Shape Memory Alloys 

    Video

    Dr. Ainissa Ramirez, associate professor of mechanical engineering & materials science at Yale, talks about shape memory alloys. These "metals with a memory" are used in space, in robots, and even in your mouth!

    9,10,11,12
  • The Book of Potentially Catastrophic Science 

    Video

    This video provides a preview of the Book of Potentially Catastrophic Science by performing an experiment from the book. Using Issac Newton's third law, the experiment shows how Robert Goddard created the space age.

    6,7,8
  • Science of the Summer Olympics: Engineering for Mobility 

    Video

    This video is from the "Science of the Summer Olympics" series, produced by NBC and the National Science Foundation. A biomechanical engineer at the University of Pittsburgh demonstrates how engineering can help wheelchair athletes of all sports maximize their performance at the Paralympic Games.

    8,9,10,11,12
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