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Discovery

Nanoscale Repulsion

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Illustration showing one sphere being repelled from a plate and the other sphere being attracted.

When the proper materials are chosen, repulsive Casimir-Lifshitz forces can exist. The image shows one sphere being repelled from a plate and the other sphere being attracted.

Credit: J. N. Munday and F. Capasso, Harvard University


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A schematic of the experimental setup.

A schematic of the experimental setup. A modified AFM is used to measure the Casimir-Lifshitz force between a sphere, which is attached to a cantilever, and a plate.

Credit: J. N. Munday and F. Capasso, Harvard University


Download the high-resolution JPG version of the image. (157 KB)

Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.