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Water dripping

Have you ever had a leaky faucet.... drip,drip,drip. Here is what is looks like at 10,000 frames per second. Using a fast camera (Phantom 7.1), we are able to image fluids breaking into droplets at more than 100,000 frames per second.

Compliant regions in cartilage

Fluorescence movie of human knee cartilage under shear. The cartilage is stained green, then photobleached, to allow for calculation of strains and displacements, and in turn for calculations of local moduli. Notice that the upper region, close to the articular surface, is much more compliant than the bulk.


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