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Fluid Physics

2003-05-10

NASA

NASA
Washington, DC, United States

These images, from David Weitz’s liquid crystal research, show ordered uniform sized droplets (upper left) before they are dried from their solution. After the droplets are dried (upper right), they are viewed with crossed polarizers that show the deformation caused by drying, a process that orients the bipolar structure of the liquid crystal within the droplets. When an electric field is applied to the dried droplets (lower left), and then increased (lower right), the liquid crystal within the droplets switches its alignment, thereby reducing the amount of light that can be scattered by the droplets when a beam is shone through them.

Details

  • Title: Fluid Physics
  • Date Created: 2003-05-10
  • Rights: MSFC
  • Album: rlobrie1

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