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spherical mirror |
Also found in: Wikipedia, Hutchinson | 0.02 sec. |
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spherical mirror [′sfir·ə·kəl ′mir·ər] (optics) A mirror, either convex or concave, whose surface forms part of a sphere. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Sunglasses Hey, check out this guy in his wraparound shades, frames shiny as a dime, lenses like curved mirrors. The curvature of the film focuses the sound waves in the same way that curved mirrors are used in telescopes to focus light from distant stars. NASA realizes the curved mirror that's used to gather light for the telescope is too flat--by 1/50 of a human hair. |
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