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zero-gravity switch |
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zero-gravity switch [′zir·ō ¦grav·əd·ē ‚swich]
(electricity) A switch that closes as weightlessness or zero gravity is approached; in one version, a conductive sphere of mercury encompasses two contacts at zero gravity but flattens away from the upper contact under the influence of gravity. Also known as weightlessness switch. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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