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Research on flapping flags

Two Cornell researchers have shown that two or more flexible objects in a flow -- flags flapping in the wind, for example -- experience drag very differently than rigid objects in a similar flow. more

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Research on flapping flags

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Spotlight

Michael Hall, a graduate student in LASSP's Single Molecule Biophysics Lab, can actually "unzip" the two strands of a DNA molecule using a procedure called optical trapping. To do this, he focuses a laser on a micron-sized polystyrene bead. Light going through the bead changes direction, forcing the bead in the opposite direction. The result is that the bead remains in the center of the beam of light, trapped in the optical trap. Michael can attach these beads to tiny ...
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