{"id":217622,"date":"2026-05-24T19:37:48","date_gmt":"2026-05-24T23:37:48","guid":{"rendered":"https:\/\/potenciaradiofonicadominicana.com\/portal\/?p=217622"},"modified":"2026-05-24T19:37:48","modified_gmt":"2026-05-24T23:37:48","slug":"grandes-inventos-de-la-humanidad-el-ascensor-seguro","status":"publish","type":"post","link":"https:\/\/potenciaradiofonicadominicana.com\/portal\/grandes-inventos-de-la-humanidad-el-ascensor-seguro\/","title":{"rendered":"Grandes inventos de la humanidad: El ascensor seguro"},"content":{"rendered":"<p><a href=\"https:\/\/potenciaradiofonicadominicana.com\/portal\/wp-content\/uploads\/2026\/05\/338_elevatorpatentotis1861.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-217623\" src=\"https:\/\/potenciaradiofonicadominicana.com\/portal\/wp-content\/uploads\/2026\/05\/338_elevatorpatentotis1861.jpg\" alt=\"\" width=\"670\" height=\"453\" srcset=\"https:\/\/potenciaradiofonicadominicana.com\/portal\/wp-content\/uploads\/2026\/05\/338_elevatorpatentotis1861.jpg 670w, https:\/\/potenciaradiofonicadominicana.com\/portal\/wp-content\/uploads\/2026\/05\/338_elevatorpatentotis1861-300x203.jpg 300w\" sizes=\"auto, (max-width: 670px) 100vw, 670px\" \/><\/a><\/p>\n<p>La silueta de nuestras ciudades actuales, dominada por rascacielos que ara\u00f1an las nubes, no se la debemos a una revoluci\u00f3n en los materiales de construcci\u00f3n ni a la osad\u00eda de los arquitectos del siglo XIX. Se la debemos, en realidad, a un mecanismo de seguridad simple pero brillante. Esta es la historia de\u00a0<b>c\u00f3mo el ascensor seguro revolucion\u00f3 la ingenier\u00eda urbana<\/b>\u00a0y permiti\u00f3 a la humanidad colonizar las alturas.<\/p>\n<p>&nbsp;<\/p>\n<h2>El gran dilema de la ingenier\u00eda vertical: El miedo a la ca\u00edda<\/h2>\n<p>&nbsp;<\/p>\n<p>A mediados del siglo XIX, la Revoluci\u00f3n Industrial bull\u00eda en las grandes metr\u00f3polis. El suelo urbano empezaba a escasear y la \u00fanica direcci\u00f3n l\u00f3gica para crecer era hacia arriba. Sin embargo, las construcciones se topaban con un l\u00edmite invisible pero implacable:\u00a0<b>la fatiga humana y el miedo<\/b>.<\/p>\n<p>&nbsp;<\/p>\n<p>Los elevadores no eran una novedad; se utilizaban desde la antig\u00fcedad cl\u00e1sica y, en la d\u00e9cada de 1850, los montacargas a vapor ya mov\u00edan toneladas de carb\u00f3n y mercanc\u00edas en las f\u00e1bricas. Pero ten\u00edan un problema fatal:\u00a0<b>si el cable de tracci\u00f3n se romp\u00eda, la gravedad hac\u00eda su trabajo implacable<\/b>. Nadie en su sano juicio se atrev\u00eda a arriesgar su vida en una plataforma flotante. Los pisos superiores de los edificios eran el reino de los alquileres baratos y los inquilinos de bajos recursos, condenados a extenuantes caminatas por las escaleras.<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5663005764905852\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_2_host\"><iframe loading=\"lazy\" id=\"aswift_2\" tabindex=\"0\" title=\"Advertisement\" src=\"https:\/\/googleads.g.doubleclick.net\/pagead\/ads?gdpr=0&amp;us_privacy=1---&amp;gpp_sid=-1&amp;client=ca-pub-5663005764905852&amp;output=html&amp;h=280&amp;num_ads=1&amp;adk=2562913539&amp;adf=4099835732&amp;w=670&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1779665844&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=8510815932&amp;ad_type=text_image&amp;format=670x280&amp;url=https%3A%2F%2Fnoticiasdelaciencia.com%2Fart%2F56977%2Fgrandes-inventos-de-la-humanidad-el-ascensor-seguro&amp;fwr=0&amp;pra=3&amp;rh=168&amp;rw=670&amp;rpe=1&amp;resp_fmts=3&amp;asro=0&amp;aiactd=0&amp;aicctd=0&amp;ailctd=0&amp;aimartd=4&amp;aieuf=1&amp;aicrs=1&amp;fa=27&amp;uach=WyJXaW5kb3dzIiwiMTAuMC4wIiwieDg2IiwiIiwiMTQ4LjAuNzc3OC4xNzkiLG51bGwsMCxudWxsLCI2NCIsW1siQ2hyb21pdW0iLCIxNDguMC43Nzc4LjE3OSJdLFsiR29vZ2xlIENocm9tZSIsIjE0OC4wLjc3NzguMTc5Il0sWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl1dLDBd&amp;abgtt=9&amp;dt=1779665844553&amp;bpp=1&amp;bdt=1146&amp;idt=-M&amp;shv=r20260520&amp;mjsv=m202605190101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D1369ec1753920ed8%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MZW6G59QQLVBos4kc7I7QPsDzVElw&amp;gpic=UID%3D000012823be29c69%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MaHQ_Bfx4qudKs-eV9T0d0lK_YoHw&amp;eo_id_str=ID%3De1c442b852c8beb9%3AT%3D1769483343%3ART%3D1779665602%3AS%3DAA-AfjaUwun04pSHe7gepQN_ghxC&amp;prev_fmts=0x0&amp;nras=2&amp;correlator=5158512847160&amp;frm=20&amp;pv=1&amp;u_tz=-240&amp;u_his=6&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1040&amp;u_aw=1920&amp;u_cd=32&amp;u_sd=1&amp;dmc=16&amp;adx=463&amp;ady=1487&amp;biw=1905&amp;bih=953&amp;scr_x=0&amp;scr_y=0&amp;eid=31098716%2C42533294%2C95390664%2C95373849&amp;oid=2&amp;pvsid=2597153686421779&amp;tmod=779995155&amp;uas=3&amp;nvt=1&amp;ref=https%3A%2F%2Fnoticiasdelaciencia.com%2Fsec%2Ftecnologia&amp;fc=1408&amp;brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1040%2C1920%2C953&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;bz=1&amp;pgls=CAA.&amp;ifi=3&amp;uci=a!3&amp;btvi=1&amp;fsb=1&amp;dtd=22\" name=\"aswift_2\" width=\"670\" height=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation\" data-google-container-id=\"a!3\" aria-label=\"Advertisement\" data-load-complete=\"true\" data-google-query-id=\"CNDWl-6L05QDFVL4KAUd9aE4Iw\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><\/ins><\/div>\n<p>&nbsp;<\/p>\n<h2>Elisha Otis y la demostraci\u00f3n que lo cambi\u00f3 todo<\/h2>\n<p>&nbsp;<\/p>\n<p>El punto de inflexi\u00f3n de esta historia t\u00e9cnica ocurri\u00f3 en\u00a0<b>Nueva York, en 1854<\/b>, durante la Exposici\u00f3n Universal en el\u00a0<i>Crystal Palace<\/i>. Un inventor y mec\u00e1nico de Vermont llamado\u00a0<b>Elisha Graves Otis<\/b>\u00a0decidi\u00f3 que la mejor manera de vender su nuevo invento no era explicarlo en un plano, sino jugarse la vida ante el p\u00fablico.<\/p>\n<p>&nbsp;<\/p>\n<p>Otis se subi\u00f3 a una plataforma elevada a gran altura frente a una multitud expectante. Pidi\u00f3 a un asistente que, con un hacha, cortara la \u00fanica cuerda que sosten\u00eda el elevador. La tensi\u00f3n en el ambiente era absoluta. El cable se parti\u00f3 con un chasquido seco. La plataforma cay\u00f3 apenas unos cent\u00edmetros y, ante el asombro de los testigos,\u00a0<b>se detuvo en el aire por completo<\/b>.<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5663005764905852\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_3_host\"><iframe loading=\"lazy\" id=\"aswift_3\" tabindex=\"0\" title=\"Advertisement\" src=\"https:\/\/googleads.g.doubleclick.net\/pagead\/ads?gdpr=0&amp;us_privacy=1---&amp;gpp_sid=-1&amp;client=ca-pub-5663005764905852&amp;output=html&amp;h=280&amp;num_ads=1&amp;adk=2562913539&amp;adf=3693040572&amp;w=670&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1779665844&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=8510815932&amp;ad_type=text_image&amp;format=670x280&amp;url=https%3A%2F%2Fnoticiasdelaciencia.com%2Fart%2F56977%2Fgrandes-inventos-de-la-humanidad-el-ascensor-seguro&amp;fwr=0&amp;pra=3&amp;rh=168&amp;rw=670&amp;rpe=1&amp;resp_fmts=3&amp;asro=0&amp;aiactd=0&amp;aicctd=0&amp;ailctd=0&amp;aimartd=4&amp;aieuf=1&amp;aicrs=1&amp;fa=27&amp;uach=WyJXaW5kb3dzIiwiMTAuMC4wIiwieDg2IiwiIiwiMTQ4LjAuNzc3OC4xNzkiLG51bGwsMCxudWxsLCI2NCIsW1siQ2hyb21pdW0iLCIxNDguMC43Nzc4LjE3OSJdLFsiR29vZ2xlIENocm9tZSIsIjE0OC4wLjc3NzguMTc5Il0sWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl1dLDBd&amp;abgtt=9&amp;dt=1779665844553&amp;bpp=1&amp;bdt=1146&amp;idt=-M&amp;shv=r20260520&amp;mjsv=m202605190101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D1369ec1753920ed8%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MZW6G59QQLVBos4kc7I7QPsDzVElw&amp;gpic=UID%3D000012823be29c69%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MaHQ_Bfx4qudKs-eV9T0d0lK_YoHw&amp;eo_id_str=ID%3De1c442b852c8beb9%3AT%3D1769483343%3ART%3D1779665602%3AS%3DAA-AfjaUwun04pSHe7gepQN_ghxC&amp;prev_fmts=0x0%2C670x280&amp;nras=3&amp;correlator=5158512847160&amp;frm=20&amp;pv=1&amp;u_tz=-240&amp;u_his=6&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1040&amp;u_aw=1920&amp;u_cd=32&amp;u_sd=1&amp;dmc=16&amp;adx=463&amp;ady=2160&amp;biw=1905&amp;bih=953&amp;scr_x=0&amp;scr_y=0&amp;eid=31098716%2C42533294%2C95390664%2C95373849&amp;oid=2&amp;pvsid=2597153686421779&amp;tmod=779995155&amp;uas=3&amp;nvt=1&amp;ref=https%3A%2F%2Fnoticiasdelaciencia.com%2Fsec%2Ftecnologia&amp;fc=1408&amp;brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1040%2C1920%2C953&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;bz=1&amp;pgls=CAA.&amp;ifi=4&amp;uci=a!4&amp;btvi=2&amp;fsb=1&amp;dtd=23\" name=\"aswift_3\" width=\"670\" height=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation\" data-google-container-id=\"a!4\" aria-label=\"Advertisement\" data-load-complete=\"true\" data-google-query-id=\"CPyemO6L05QDFYHaKAUd19InZA\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><\/ins><\/div>\n<p>&nbsp;<\/p>\n<p>Otis, quit\u00e1ndose el sombrero de copa, pronunci\u00f3 una frase que qued\u00f3 grabada en la historia de la tecnolog\u00eda:<\/p>\n<p>&nbsp;<\/p>\n<p><i>\u00abAll safe, gentlemen, all safe\u00bb<\/i>\u00a0(\u00abTodo seguro, caballeros, todo seguro\u00bb).<\/p>\n<p>&nbsp;<\/p>\n<p><span class=\"RichTextAlignCenter citewrapper\"><img decoding=\"async\" class=\"RichTextAlignCenter\" src=\"https:\/\/noticiasdelaciencia.com\/upload\/images\/05_2026\/338_elevatorpatentotis1861.jpg\" alt=\"[Img #78776]\" \/><\/span><\/p>\n<div class=\"imagefooterprint\"><\/div>\n<p>&nbsp;<\/p>\n<p>(Foto: Wikimedia Commons)<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5663005764905852\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_4_host\"><iframe loading=\"lazy\" id=\"aswift_4\" tabindex=\"0\" title=\"Advertisement\" src=\"https:\/\/googleads.g.doubleclick.net\/pagead\/ads?gdpr=0&amp;us_privacy=1---&amp;gpp_sid=-1&amp;client=ca-pub-5663005764905852&amp;output=html&amp;h=280&amp;num_ads=1&amp;adk=2562913539&amp;adf=1893873498&amp;w=670&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1779665844&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=8510815932&amp;ad_type=text_image&amp;format=670x280&amp;url=https%3A%2F%2Fnoticiasdelaciencia.com%2Fart%2F56977%2Fgrandes-inventos-de-la-humanidad-el-ascensor-seguro&amp;fwr=0&amp;pra=3&amp;rh=168&amp;rw=670&amp;rpe=1&amp;resp_fmts=3&amp;asro=0&amp;aiactd=0&amp;aicctd=0&amp;ailctd=0&amp;aimartd=4&amp;aieuf=1&amp;aicrs=1&amp;fa=27&amp;uach=WyJXaW5kb3dzIiwiMTAuMC4wIiwieDg2IiwiIiwiMTQ4LjAuNzc3OC4xNzkiLG51bGwsMCxudWxsLCI2NCIsW1siQ2hyb21pdW0iLCIxNDguMC43Nzc4LjE3OSJdLFsiR29vZ2xlIENocm9tZSIsIjE0OC4wLjc3NzguMTc5Il0sWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl1dLDBd&amp;abgtt=9&amp;dt=1779665844553&amp;bpp=1&amp;bdt=1146&amp;idt=-M&amp;shv=r20260520&amp;mjsv=m202605190101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D1369ec1753920ed8%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MZW6G59QQLVBos4kc7I7QPsDzVElw&amp;gpic=UID%3D000012823be29c69%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MaHQ_Bfx4qudKs-eV9T0d0lK_YoHw&amp;eo_id_str=ID%3De1c442b852c8beb9%3AT%3D1769483343%3ART%3D1779665602%3AS%3DAA-AfjaUwun04pSHe7gepQN_ghxC&amp;prev_fmts=0x0%2C670x280%2C670x280&amp;nras=4&amp;correlator=5158512847160&amp;frm=20&amp;pv=1&amp;u_tz=-240&amp;u_his=6&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1040&amp;u_aw=1920&amp;u_cd=32&amp;u_sd=1&amp;dmc=16&amp;adx=463&amp;ady=3132&amp;biw=1905&amp;bih=953&amp;scr_x=0&amp;scr_y=0&amp;eid=31098716%2C42533294%2C95390664%2C95373849&amp;oid=2&amp;pvsid=2597153686421779&amp;tmod=779995155&amp;uas=3&amp;nvt=1&amp;ref=https%3A%2F%2Fnoticiasdelaciencia.com%2Fsec%2Ftecnologia&amp;fc=1408&amp;brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1040%2C1920%2C953&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;bz=1&amp;pgls=CAA.&amp;ifi=5&amp;uci=a!5&amp;btvi=3&amp;fsb=1&amp;dtd=24\" name=\"aswift_4\" width=\"670\" height=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation\" data-google-container-id=\"a!5\" aria-label=\"Advertisement\" data-load-complete=\"true\" data-google-query-id=\"CKmSmO6L05QDFVkWigMdUG4NdQ\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><\/ins><\/div>\n<p>&nbsp;<\/p>\n<h2>La f\u00edsica detr\u00e1s del invento: El freno de seguridad<\/h2>\n<p>&nbsp;<\/p>\n<p>\u00bfCu\u00e1l fue el principio f\u00edsico y mec\u00e1nico que obr\u00f3 el milagro? El dise\u00f1o de Otis destaca por una elegancia ingenieril impecable basada en la\u00a0<b>conversi\u00f3n y liberaci\u00f3n de energ\u00eda mec\u00e1nica<\/b>.<\/p>\n<p>&nbsp;<\/p>\n<p><b>-El muelle de ballesta:<\/b>\u00a0Otis instal\u00f3 un resistente muelle de acero en forma de arco (similar al de los carruajes) en la parte superior de la cabina. Mientras el cable principal tiraba de la plataforma hacia arriba, la propia tensi\u00f3n del cable manten\u00eda el muelle comprimido y retra\u00eddo.<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5663005764905852\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_5_host\"><iframe loading=\"lazy\" id=\"aswift_5\" tabindex=\"0\" title=\"Advertisement\" src=\"https:\/\/googleads.g.doubleclick.net\/pagead\/ads?gdpr=0&amp;us_privacy=1---&amp;gpp_sid=-1&amp;client=ca-pub-5663005764905852&amp;output=html&amp;h=280&amp;num_ads=1&amp;adk=2562913539&amp;adf=1040710036&amp;w=670&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1779665844&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=8510815932&amp;ad_type=text_image&amp;format=670x280&amp;url=https%3A%2F%2Fnoticiasdelaciencia.com%2Fart%2F56977%2Fgrandes-inventos-de-la-humanidad-el-ascensor-seguro&amp;fwr=0&amp;pra=3&amp;rh=168&amp;rw=670&amp;rpe=1&amp;resp_fmts=3&amp;asro=0&amp;aiactd=0&amp;aicctd=0&amp;ailctd=0&amp;aimartd=4&amp;aieuf=1&amp;aicrs=1&amp;fa=27&amp;uach=WyJXaW5kb3dzIiwiMTAuMC4wIiwieDg2IiwiIiwiMTQ4LjAuNzc3OC4xNzkiLG51bGwsMCxudWxsLCI2NCIsW1siQ2hyb21pdW0iLCIxNDguMC43Nzc4LjE3OSJdLFsiR29vZ2xlIENocm9tZSIsIjE0OC4wLjc3NzguMTc5Il0sWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl1dLDBd&amp;abgtt=9&amp;dt=1779665844553&amp;bpp=1&amp;bdt=1146&amp;idt=1&amp;shv=r20260520&amp;mjsv=m202605190101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D1369ec1753920ed8%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MZW6G59QQLVBos4kc7I7QPsDzVElw&amp;gpic=UID%3D000012823be29c69%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MaHQ_Bfx4qudKs-eV9T0d0lK_YoHw&amp;eo_id_str=ID%3De1c442b852c8beb9%3AT%3D1769483343%3ART%3D1779665602%3AS%3DAA-AfjaUwun04pSHe7gepQN_ghxC&amp;prev_fmts=0x0%2C670x280%2C670x280%2C670x280&amp;nras=5&amp;correlator=5158512847160&amp;frm=20&amp;pv=1&amp;u_tz=-240&amp;u_his=6&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1040&amp;u_aw=1920&amp;u_cd=32&amp;u_sd=1&amp;dmc=16&amp;adx=463&amp;ady=3747&amp;biw=1905&amp;bih=953&amp;scr_x=0&amp;scr_y=0&amp;eid=31098716%2C42533294%2C95390664%2C95373849&amp;oid=2&amp;pvsid=2597153686421779&amp;tmod=779995155&amp;uas=3&amp;nvt=1&amp;ref=https%3A%2F%2Fnoticiasdelaciencia.com%2Fsec%2Ftecnologia&amp;fc=1408&amp;brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1040%2C1920%2C953&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;bz=1&amp;pgls=CAA.&amp;ifi=6&amp;uci=a!6&amp;btvi=4&amp;fsb=1&amp;dtd=26\" name=\"aswift_5\" width=\"670\" height=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation\" data-google-container-id=\"a!6\" aria-label=\"Advertisement\" data-load-complete=\"true\" data-google-query-id=\"CPa3mO6L05QDFS_uKAUd3O4psw\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><\/ins><\/div>\n<p>&nbsp;<\/p>\n<p><b>-Los rieles dentados:<\/b>\u00a0A ambos lados del hueco del ascensor coloc\u00f3 rieles de hierro provistos de dientes de sierra.<\/p>\n<p>&nbsp;<\/p>\n<p><b>-El mecanismo de activaci\u00f3n:<\/b>\u00a0En el momento exacto en que el cable se rompi\u00f3, la tensi\u00f3n desapareci\u00f3. Al no haber fuerza que lo mantuviera comprimido, el muelle de ballesta se expandi\u00f3 de golpe hacia los lados, actuando como un resorte que empuj\u00f3 unas cu\u00f1as o trinquetes de hierro directamente contra los dientes de los rieles. La propia gravedad y el peso de la cabina forzaron a los trinquetes a encajarse con m\u00e1s fuerza, deteniendo el descenso de forma inmediata.<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5663005764905852\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_6_host\"><iframe loading=\"lazy\" id=\"aswift_6\" tabindex=\"0\" title=\"Advertisement\" src=\"https:\/\/googleads.g.doubleclick.net\/pagead\/ads?gdpr=0&amp;us_privacy=1---&amp;gpp_sid=-1&amp;client=ca-pub-5663005764905852&amp;output=html&amp;h=280&amp;num_ads=1&amp;adk=2562913539&amp;adf=376991911&amp;w=670&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1779665845&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=8510815932&amp;ad_type=text_image&amp;format=670x280&amp;url=https%3A%2F%2Fnoticiasdelaciencia.com%2Fart%2F56977%2Fgrandes-inventos-de-la-humanidad-el-ascensor-seguro&amp;fwr=0&amp;pra=3&amp;rh=168&amp;rw=670&amp;rpe=1&amp;resp_fmts=3&amp;asro=0&amp;aiactd=0&amp;aicctd=0&amp;ailctd=0&amp;aimartd=4&amp;aieuf=1&amp;aicrs=1&amp;fa=27&amp;uach=WyJXaW5kb3dzIiwiMTAuMC4wIiwieDg2IiwiIiwiMTQ4LjAuNzc3OC4xNzkiLG51bGwsMCxudWxsLCI2NCIsW1siQ2hyb21pdW0iLCIxNDguMC43Nzc4LjE3OSJdLFsiR29vZ2xlIENocm9tZSIsIjE0OC4wLjc3NzguMTc5Il0sWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl1dLDBd&amp;abgtt=9&amp;dt=1779665844557&amp;bpp=1&amp;bdt=1150&amp;idt=1&amp;shv=r20260520&amp;mjsv=m202605190101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D1369ec1753920ed8%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MZW6G59QQLVBos4kc7I7QPsDzVElw&amp;gpic=UID%3D000012823be29c69%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MaHQ_Bfx4qudKs-eV9T0d0lK_YoHw&amp;eo_id_str=ID%3De1c442b852c8beb9%3AT%3D1769483343%3ART%3D1779665602%3AS%3DAA-AfjaUwun04pSHe7gepQN_ghxC&amp;prev_fmts=0x0%2C670x280%2C670x280%2C670x280%2C670x280%2C300x600&amp;nras=6&amp;correlator=5158512847160&amp;frm=20&amp;pv=1&amp;u_tz=-240&amp;u_his=6&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1040&amp;u_aw=1920&amp;u_cd=32&amp;u_sd=1&amp;dmc=16&amp;adx=463&amp;ady=3784&amp;biw=1905&amp;bih=953&amp;scr_x=0&amp;scr_y=0&amp;eid=31098716%2C42533294%2C95390664%2C95373849&amp;oid=2&amp;pvsid=2597153686421779&amp;tmod=779995155&amp;uas=3&amp;nvt=1&amp;ref=https%3A%2F%2Fnoticiasdelaciencia.com%2Fsec%2Ftecnologia&amp;fc=1408&amp;brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1040%2C1920%2C953&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;bz=1&amp;pgls=CAA.&amp;ifi=7&amp;uci=a!7&amp;btvi=5&amp;fsb=1&amp;dtd=503\" name=\"aswift_6\" width=\"670\" height=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation\" data-google-container-id=\"a!7\" aria-label=\"Advertisement\" data-load-complete=\"true\" data-google-query-id=\"COClte6L05QDFbQBigMdqWIsuA\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><\/ins><\/div>\n<p>&nbsp;<\/p>\n<h2>El impacto socioecon\u00f3mico: La inversi\u00f3n de la pir\u00e1mide urbana<\/h2>\n<p>&nbsp;<\/p>\n<p>La demostraci\u00f3n del ascensor seguro no solo fue un triunfo de la ingenier\u00eda industrial; modific\u00f3 radicalmente el urbanismo, la econom\u00eda y la sociolog\u00eda de las ciudades occidentales a trav\u00e9s de varios factores clave:<\/p>\n<p>&nbsp;<\/p>\n<h3>1. El nacimiento del rascacielos<\/h3>\n<p>&nbsp;<\/p>\n<p>Antes de Otis, el l\u00edmite pr\u00e1ctico de un edificio residencial o comercial eran las cinco o seis plantas. M\u00e1s all\u00e1, el acceso se volv\u00eda impracticable. Al garantizar la seguridad vertical, los arquitectos pudieron dise\u00f1ar estructuras de diez, veinte y, al final, m\u00e1s de cien pisos. El\u00a0<i>E.V. Haughwout Building<\/i>\u00a0de Nueva York instal\u00f3 el primer ascensor comercial de pasajeros de Otis en 1857.<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5663005764905852\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_7_host\"><iframe loading=\"lazy\" id=\"aswift_7\" tabindex=\"0\" title=\"Advertisement\" src=\"https:\/\/googleads.g.doubleclick.net\/pagead\/ads?gdpr=0&amp;us_privacy=1---&amp;gpp_sid=-1&amp;client=ca-pub-5663005764905852&amp;output=html&amp;h=280&amp;num_ads=1&amp;adk=2562913539&amp;adf=1294682029&amp;w=670&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1779665845&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=8510815932&amp;ad_type=text_image&amp;format=670x280&amp;url=https%3A%2F%2Fnoticiasdelaciencia.com%2Fart%2F56977%2Fgrandes-inventos-de-la-humanidad-el-ascensor-seguro&amp;fwr=0&amp;pra=3&amp;rh=168&amp;rw=670&amp;rpe=1&amp;resp_fmts=3&amp;asro=0&amp;aiactd=0&amp;aicctd=0&amp;ailctd=0&amp;aimartd=4&amp;aieuf=1&amp;aicrs=1&amp;fa=27&amp;uach=WyJXaW5kb3dzIiwiMTAuMC4wIiwieDg2IiwiIiwiMTQ4LjAuNzc3OC4xNzkiLG51bGwsMCxudWxsLCI2NCIsW1siQ2hyb21pdW0iLCIxNDguMC43Nzc4LjE3OSJdLFsiR29vZ2xlIENocm9tZSIsIjE0OC4wLjc3NzguMTc5Il0sWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl1dLDBd&amp;abgtt=9&amp;dt=1779665844561&amp;bpp=1&amp;bdt=1153&amp;idt=1&amp;shv=r20260520&amp;mjsv=m202605190101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D1369ec1753920ed8%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MZW6G59QQLVBos4kc7I7QPsDzVElw&amp;gpic=UID%3D000012823be29c69%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MaHQ_Bfx4qudKs-eV9T0d0lK_YoHw&amp;eo_id_str=ID%3De1c442b852c8beb9%3AT%3D1769483343%3ART%3D1779665602%3AS%3DAA-AfjaUwun04pSHe7gepQN_ghxC&amp;prev_fmts=0x0%2C670x280%2C670x280%2C670x280%2C670x280%2C300x600%2C670x280&amp;nras=7&amp;correlator=5158512847160&amp;frm=20&amp;pv=1&amp;u_tz=-240&amp;u_his=6&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1040&amp;u_aw=1920&amp;u_cd=32&amp;u_sd=1&amp;dmc=16&amp;adx=463&amp;ady=3649&amp;biw=1905&amp;bih=953&amp;scr_x=0&amp;scr_y=0&amp;eid=31098716%2C42533294%2C95390664%2C95373849&amp;oid=2&amp;pvsid=2597153686421779&amp;tmod=779995155&amp;uas=3&amp;nvt=1&amp;ref=https%3A%2F%2Fnoticiasdelaciencia.com%2Fsec%2Ftecnologia&amp;fc=1408&amp;brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1040%2C1920%2C953&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;bz=1&amp;pgls=CAA.&amp;ifi=8&amp;uci=a!8&amp;btvi=6&amp;fsb=1&amp;dtd=717\" name=\"aswift_7\" width=\"670\" height=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation\" data-google-container-id=\"a!8\" aria-label=\"Advertisement\" data-load-complete=\"true\" data-google-query-id=\"CPvywu6L05QDFTzOKAUdFFUo_g\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><\/ins><\/div>\n<p>&nbsp;<\/p>\n<h3>2. La revalorizaci\u00f3n del espacio<\/h3>\n<p>&nbsp;<\/p>\n<p>El ascensor invirti\u00f3 la jerarqu\u00eda inmobiliaria. Los pisos m\u00e1s altos, antes devaluados por el cansancio que implicaba llegar a ellos, se convirtieron en las zonas m\u00e1s cotizadas, libres del ruido de los carruajes y del smog de las calles decimon\u00f3nicas. Hab\u00eda nacido el concepto de\u00a0<i>penthouse<\/i>\u00a0o \u00e1tico de lujo.<\/p>\n<p>&nbsp;<\/p>\n<h3>3. Densificaci\u00f3n y eficiencia urbana<\/h3>\n<p>&nbsp;<\/p>\n<p>La capacidad de crecer en vertical permiti\u00f3 concentrar a miles de trabajadores e industrias en una misma manzana, optimizando el uso del suelo y disparando el valor del metro cuadrado en los distritos financieros de urbes como Chicago y Nueva York.<\/p>\n<div class=\"google-auto-placed ap_container\"><ins class=\"adsbygoogle adsbygoogle-noablate\" data-ad-format=\"auto\" data-ad-client=\"ca-pub-5663005764905852\" data-adsbygoogle-status=\"done\" data-ad-status=\"unfilled\"><\/p>\n<div id=\"aswift_8_host\"><iframe loading=\"lazy\" id=\"aswift_8\" tabindex=\"0\" title=\"Advertisement\" src=\"https:\/\/googleads.g.doubleclick.net\/pagead\/ads?gdpr=0&amp;us_privacy=1---&amp;gpp_sid=-1&amp;client=ca-pub-5663005764905852&amp;output=html&amp;h=280&amp;num_ads=1&amp;adk=2562913539&amp;adf=4239973173&amp;w=670&amp;fwrn=4&amp;fwrnh=100&amp;lmt=1779665851&amp;rafmt=1&amp;armr=3&amp;sem=mc&amp;pwprc=8510815932&amp;ad_type=text_image&amp;format=670x280&amp;url=https%3A%2F%2Fnoticiasdelaciencia.com%2Fart%2F56977%2Fgrandes-inventos-de-la-humanidad-el-ascensor-seguro&amp;fwr=0&amp;pra=3&amp;rh=168&amp;rw=670&amp;rpe=1&amp;resp_fmts=3&amp;asro=0&amp;aiactd=0&amp;aicctd=0&amp;ailctd=0&amp;aimartd=4&amp;aieuf=1&amp;aicrs=1&amp;fa=27&amp;uach=WyJXaW5kb3dzIiwiMTAuMC4wIiwieDg2IiwiIiwiMTQ4LjAuNzc3OC4xNzkiLG51bGwsMCxudWxsLCI2NCIsW1siQ2hyb21pdW0iLCIxNDguMC43Nzc4LjE3OSJdLFsiR29vZ2xlIENocm9tZSIsIjE0OC4wLjc3NzguMTc5Il0sWyJOb3QvQSlCcmFuZCIsIjk5LjAuMC4wIl1dLDBd&amp;abgtt=9&amp;dt=1779665844564&amp;bpp=1&amp;bdt=1157&amp;idt=1&amp;shv=r20260520&amp;mjsv=m202605190101&amp;ptt=9&amp;saldr=aa&amp;abxe=1&amp;cookie=ID%3D1369ec1753920ed8%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MZW6G59QQLVBos4kc7I7QPsDzVElw&amp;gpic=UID%3D000012823be29c69%3AT%3D1757289327%3ART%3D1779665602%3AS%3DALNI_MaHQ_Bfx4qudKs-eV9T0d0lK_YoHw&amp;eo_id_str=ID%3De1c442b852c8beb9%3AT%3D1769483343%3ART%3D1779665602%3AS%3DAA-AfjaUwun04pSHe7gepQN_ghxC&amp;prev_fmts=0x0%2C670x280%2C670x280%2C670x280%2C670x280%2C300x600%2C670x280%2C670x280&amp;nras=8&amp;correlator=5158512847160&amp;frm=20&amp;pv=1&amp;u_tz=-240&amp;u_his=6&amp;u_h=1080&amp;u_w=1920&amp;u_ah=1040&amp;u_aw=1920&amp;u_cd=32&amp;u_sd=1&amp;dmc=16&amp;adx=463&amp;ady=4059&amp;biw=1905&amp;bih=953&amp;scr_x=0&amp;scr_y=320&amp;eid=31098716%2C42533294%2C95390664%2C95373849&amp;oid=2&amp;psts=AOrYGsnFu8d4cz6i5OHLVgHQTN_TGGhw28co8xrtSCmPxscE3y8iv1zxnlVcJ4MfbfI9oBIBktgK2RYs2e_xR14Cj2iqLjl_MbIG4R3U63XplTTLUg&amp;pvsid=2597153686421779&amp;tmod=779995155&amp;uas=1&amp;nvt=1&amp;ref=https%3A%2F%2Fnoticiasdelaciencia.com%2Fsec%2Ftecnologia&amp;fc=1408&amp;brdim=0%2C0%2C0%2C0%2C1920%2C0%2C1920%2C1040%2C1920%2C953&amp;vis=1&amp;rsz=%7C%7Cs%7C&amp;abl=NS&amp;fu=128&amp;bc=31&amp;bz=1&amp;pgls=CAA.&amp;ifi=9&amp;uci=a!9&amp;btvi=7&amp;fsb=1&amp;dtd=7040\" name=\"aswift_8\" width=\"670\" height=\"0\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-forms allow-popups allow-popups-to-escape-sandbox allow-same-origin allow-scripts allow-top-navigation-by-user-activation\" data-google-container-id=\"a!9\" aria-label=\"Advertisement\" data-load-complete=\"true\" data-google-query-id=\"CKftxPGL05QDFavaKAUdrzEZ_w\" data-mce-fragment=\"1\"><\/iframe><\/div>\n<p><\/ins><\/div>\n<p>&nbsp;<\/p>\n<p>Hoy en d\u00eda, el ascensor est\u00e1 considerado\u00a0<b>el medio de transporte m\u00e1s seguro del mundo<\/b>\u00a0en trayectos por pasajero. Los sistemas modernos han sustituido las ballestas de acero por frenos electromagn\u00e9ticos de acci\u00f3n r\u00e1pida, cables de fibra de carbono (<i>UltraRope<\/i>) y gobernadores de velocidad por fuerza centr\u00edfuga, pero la filosof\u00eda fundamental sigue siendo la misma que ide\u00f3 Otis: el sistema est\u00e1 dise\u00f1ado para fallar de forma segura (<i>fail-safe<\/i>). Si la energ\u00eda se corta o los cables fallan, los frenos mec\u00e1nicos entran en acci\u00f3n por defecto de manera pasiva.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La silueta de nuestras ciudades actuales, dominada por rascacielos que ara\u00f1an las nubes, no se la debemos a una revoluci\u00f3n &#8230;<\/p>\n","protected":false},"author":2,"featured_media":217623,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-217622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-y-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Grandes inventos de la humanidad: El ascensor seguro - PotenciaRadiofonicaDominicana.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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