To become invisible you, or a substance, must have the same index of refraction as the medium (air, water, etcetera.) the substance is in. Other ways to become invisible are: to bend light around an object, or project an image of what is behind the object on the surface of the object facing the viewer. It would also be possible to psychically make yourself invisible by preventing someone who sees you from registering this in their mind, by use of psychic abilities. In all but the last two cases, an invisible person would be blind since light would pass through or around them, not allowing their eyes to function. You can't make yourself invisible by making the atoms in your body vibrate faster or at a higher frequency, as some people claim. Making your atoms vibrate faster will only make you hot through increased friction. This is the same way a microwave oven heats food.
   See Index Of Refraction and Refraction.

The writer's dictionary of science fiction, fantasy, horror and mythology. 2014.

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  • invisible — [ ɛ̃vizibl ] adj. et n. m. • 1256; bas lat. invisibilis 1 ♦ Qui n est pas visible, qui échappe à la vue (par nature ou par accident). Dieu, infini et invisible. Je suis certain « qu il existe près de moi un être invisible » (Maupassant). « L… …   Encyclopédie Universelle

  • Invisible — In*vis i*ble, a. [F. invisible, L. invisibilis. See {In } not, and {Visible}.] 1. Incapable of being seen; not perceptible by vision; not visible. Specifically: (a) Not visible due to an inherent property, such as lack of color; as, the invisible …   The Collaborative International Dictionary of English

  • Invisible — puede referirse a: Invisibilidad. Música Bandas Invisible (1973 1977), banda rock argentina; Álbumes Invisible (1974), álbum de la banda Invisible (Argentina); Invisible (1995), álbum de la banda La Ley (Chile); Invisible (2005), álbum de la… …   Wikipedia Español

  • invisible — Invisible. adj. de tout genre. Qui est de telle nature qu il ne peut estre veu. Les Anges, les esprits, les ames sont invisibles. Dieu est le Createur des choses visibles & invisibles. il a receu un secours invisible. cet homme se vante d avoir… …   Dictionnaire de l'Académie française

  • invisible — Ⅰ. invisible UK US /ɪnˈvɪzəbl/ adjective ECONOMICS ► used to describe trade in services such as banking and insurance, that can be sold in foreign countries or to buyers from foreign countries: »The new invisible export figures are just out. »An… …   Financial and business terms

  • invisible — (adj.) mid 14c., from O.Fr. invisible (13c.), from L. invisibilis unseen, invisible, from in not (see IN (Cf. in ) (1)) + visibilis (see VISIBLE (Cf. visible)). As a noun, things invisible, from 1640s. Invisible Man is from H.G. Wells s novel… …   Etymology dictionary

  • invisible — [in viz′ə bəl] adj. [OFr < L invisibilis] 1. not visible; that cannot be seen 2. out of sight; not apparent 3. too small or too faint to be seen; imperceptible 4. kept hidden [invisible assets] n. an invisible thing or being …   English World dictionary

  • Invisible — In*vis i*ble, n. 1. An invisible person or thing; specifically, God, the Supreme Being. [1913 Webster] 2. A Rosicrucian; so called because avoiding declaration of his craft. [Obs.] [1913 Webster] 3. (Eccl. Hist.) One of those (as in the 16th… …   The Collaborative International Dictionary of English

  • invisible — (Del lat. invisibĭlis). 1. adj. Que no puede ser visto. 2. Que rehúye ser visto. en un invisible. loc. adv. En un momento. ☛ V. sombras invisibles …   Diccionario de la lengua española

  • invisible — I (small) adjective diminutive, imperceptible, inappreciable, inconspicuous, infinitesimal, microbic, microscopic, minuscule II (veiled) adjective cloaked, concealed, covert, enshrouded, evanescent, hidden, impalpable, indiscernible, intangible,… …   Law dictionary

  • invisible — is spelt ible, not able. See able, ible …   Modern English usage

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