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user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Crea_compte&returnto=Polzada+piramidal" title="Us animem a crear un compte i iniciar una sessió, encara que no és obligatori" class=""><span>Crea un compte</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Registre_i_entrada&returnto=Polzada+piramidal" title="Us animem a registrar-vos, però no és obligatori [o]" accesskey="o" class=""><span>Inicia la sessió</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Més opcions" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Eines personals" > <label 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Disponible en 2 llengües" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-2" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">2 llengües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Pyramid_inch" title="Pyramid inch - anglès" lang="en" hreflang="en" data-title="Pyramid inch" data-language-autonym="English" data-language-local-name="anglès" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a 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src="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Noun_project_1842_flipped.svg/25px-Noun_project_1842_flipped.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/26/Noun_project_1842_flipped.svg/38px-Noun_project_1842_flipped.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/26/Noun_project_1842_flipped.svg/50px-Noun_project_1842_flipped.svg.png 2x" data-file-width="100" data-file-height="100" /></a></span></span>Polzada piramidal</caption><tbody><tr><th scope="row" class="infobox-label" style="text-align:left;color: #202122; background-color: #eeeeee;">Tipus</th><td class="infobox-data"><a href="/wiki/Unitat_de_longitud" title="Unitat de longitud">unitat de longitud</a> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q7263286?uselang=ca#P31" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></td></tr><tr><th scope="row" class="infobox-label" style="text-align:left;color: #202122; background-color: #eeeeee;">Unitat de</th><td class="infobox-data"><a href="/wiki/Longitud" title="Longitud">longitud</a> <span class="penicon"><span class="mw-valign-baseline" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q7263286?uselang=ca#P111" title="Modifica el valor a Wikidata"><img alt="Modifica el valor a Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/10px-Arbcom_ru_editing.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/15px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/20px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></span></td></tr></tbody></table> <p>La <b>Polzada piramidal</b>, també anomenada <b>Polzada sagrada jueva</b> és una unitat de mesura reclamada pels <a href="/wiki/Piramidologia" title="Piramidologia">piramidòlegs</a> que fou utilitzada en l'antiguitat. Suposadament fou 1/25 part d'un <a href="/w/index.php?title=Colze_Sagrat&action=edit&redlink=1" class="new" title="Colze Sagrat (encara no existeix)">Colze Sagrat</a>, 1,00106 <a href="/wiki/Polzada" title="Polzada">polzades</a> britàniques, o 2.5426924 <a href="/wiki/Cent%C3%ADmetre" title="Centímetre">centímetres</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Història"><span id="Hist.C3.B2ria"></span>Història</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Polzada_piramidal&action=edit&section=1" title="Modifica la secció: Història"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>La primera referència que els constructors de la <a href="/wiki/Gran_Pir%C3%A0mide_de_Giza" class="mw-redirect" title="Gran Piràmide de Giza">Gran Piràmide de Giza</a> van utilitzar unitats de mesura relacionades amb modernes mesures s'atribueix al professor d'astronomia <a href="/wiki/John_Greaves" title="John Greaves">John Greaves</a> (1602-1652), que va viatjar a Egipte el <a href="/wiki/1638" title="1638">1638</a> per fer les mesures de la piràmide. Les seves conclusions es van publicar en la seva <i>Piramidographia</i> i sota nom anònim. Més d'un segle més tard, "mesures addicionals i les mesures realitzades per enginyers francesos durant la l'expedició de <a href="/wiki/Napole%C3%B3" class="mw-redirect" title="Napoleó">Napoleó</a> a Egipte, s'estudiaren per <a href="/wiki/John_Taylor_(1781-1864)" class="mw-redirect" title="John Taylor (1781-1864)">John Taylor</a> (1781-1864). Taylor va afirmar que les seves investigacions li van indicar que els antics havien utilitzat una unitat de mesura d'1/1000 més d'una polzada anglesa moderna.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Taylor considerava que la "Polzada piramidal" era 1/25 del "colze sagrat", l'existència del qual havia estat postulada per <a href="/wiki/Isaac_Newton" title="Isaac Newton">Isaac Newton</a>. El principal argument va ser que la mesura total dels quatre costats de la piràmide seria 36524 (100 vegades el nombre de dies d'un any) si es mesura en polzades piramidals. Taylor i els seus seguidors, com l'<a href="/wiki/Astr%C3%B2nom_Reial_d%27Esc%C3%B2cia" title="Astrònom Reial d'Escòcia">Astrònom Reial d'Escòcia</a> <a href="/wiki/Charles_Piazzi_Smyth" title="Charles Piazzi Smyth">Charles Piazzi Smyth</a> (1819-1900),<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> també posar de manifest nombroses coincidències entre les mesures de les piràmides i la geometria de la terra i el sistema solar. Van arribar a la conclusió que el sistema britànic de mesures havia derivat d'un molt més antic, si no diví, sistema. A finals del segle <span title="Nombre escrit en xifres romanes" style="font-variant:small-caps;">xix</span> i principis del <a href="/wiki/Segle_XX" title="Segle XX">segle <span title="Nombre escrit en xifres romanes" style="font-variant:small-caps;">xx</span></a>, aquesta teoria va exercir un paper important en els debats sobre si la Gran Bretanya i els Estats Units hauria d'adoptar el <a href="/wiki/Sistema_m%C3%A8tric" class="mw-redirect" title="Sistema mètric">sistema mètric</a><sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>La teoria dels eminents Taylor i Smyth guanyar molts seguidors i detractors durant les dècades següents, però a finals del segle <span title="Nombre escrit en xifres romanes" style="font-variant:small-caps;">xix</span> ja havia perdut la major part del seu principal suport científic. El cop a la teoria el va donar el gran egiptòleg <a href="/w/index.php?title=William_Matthew_Flinders_Petri&action=edit&redlink=1" class="new" title="William Matthew Flinders Petri (encara no existeix)">Flinders Petri</a> (1853-1942), malgrat havia estat un defensor, Petri, quan va anar a <a href="/wiki/Egipte" title="Egipte">Egipte</a> el <a href="/wiki/1880" title="1880">1880</a> per portar a terme noves mesures, va comprovar que la piràmide era diversos peus més petita quelcom creia anteriorment. Aquest fet soscavar la teoria que Petri va rebutjar. </p> <div class="mw-heading mw-heading2"><h2 id="Avui">Avui</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Polzada_piramidal&action=edit&section=2" title="Modifica la secció: Avui"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>El valor d'1,00106 polzades britàniques es calcula com 1/500.000.000 del diàmetre de la <a href="/wiki/Terra" title="Terra">Terra</a> pel pols. La <i>polzada piramidal</i> ara sembla no tenir gran suport científic. No hi ha proves directes, per la qual cosa argumenten es basa en un cúmul de suposades coincidències numèriques. </p> <div class="mw-heading mw-heading2"><h2 id="Referències"><span id="Refer.C3.A8ncies"></span>Referències</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Polzada_piramidal&action=edit&section=3" title="Modifica la secció: Referències"><span>modifica</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist" style="list-style-type: decimal;"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text">John Taylor,<i>La Gran Piràmide, Per què va ser construïda? i Qui la va construir?</i>(Londres, 1859).</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">C. Piazzi Smyth,<i>La nostra herència en la Gran Piràmide, amb una fotografia, mapa, i els plànols</i>(Londres, 1864).</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">E. M. Reisenauer, <i>"The battle of the standards" : Great Pyramid metrology and British identity, 1859-1890</i>, The Historian, v. 65 no. 4 (Summer 2003) p. 931–978; E. F. Cox, <i>The International Institute: First organized opposition to the metric system</i>, Ohio History, v. 68, 54–83</span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=0" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtingut de «<a dir="ltr" href="https://ca.wikipedia.org/w/index.php?title=Polzada_piramidal&oldid=34189641">https://ca.wikipedia.org/w/index.php?title=Polzada_piramidal&oldid=34189641</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categories</a>: <ul><li><a href="/wiki/Categoria:Cultura_de_l%27antic_Egipte" title="Categoria:Cultura de l'antic Egipte">Cultura de l'antic Egipte</a></li><li><a href="/wiki/Categoria:Unitats_de_longitud" title="Categoria:Unitats de longitud">Unitats de longitud</a></li><li><a href="/wiki/Categoria:Numerologia" title="Categoria:Numerologia">Numerologia</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La pàgina va ser modificada per darrera vegada el 2 nov 2024 a les 13:08.</li> <li id="footer-info-copyright">El text està disponible sota la <a href="/wiki/Viquip%C3%A8dia:Text_de_la_llic%C3%A8ncia_de_Creative_Commons_Reconeixement-Compartir_Igual_4.0_No_adaptada" title="Viquipèdia:Text de la llicència de Creative Commons Reconeixement-Compartir Igual 4.0 No adaptada"> Llicència de Creative Commons Reconeixement i Compartir-Igual</a>; es poden aplicar termes addicionals. 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