﻿{"id":15528,"date":"2021-02-10T14:23:45","date_gmt":"2021-02-10T13:23:45","guid":{"rendered":"https:\/\/www.sma.unipr.it\/?p=15528"},"modified":"2025-12-09T10:22:25","modified_gmt":"2025-12-09T09:22:25","slug":"macedonio-melloni-il-calore-e-la-luce-invisibile","status":"publish","type":"post","link":"http:\/\/www.sma.unipr.it\/it\/macedonio-melloni-il-calore-e-la-luce-invisibile\/","title":{"rendered":"Macedonio Melloni. Il calore e la luce invisibile"},"content":{"rendered":"<p><div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_section  avia-builder-el-first   container_wrap fullsize'  ><div  class='avia-slideshow av-kkzgrnki-c197ba5b2335ac511a844d4145e33683 avia-slideshow-featured av_slideshow_full avia-slide-slider av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 28.666666666667%;'><li  class='avia-slideshow-slide av-kkzgrnki-c197ba5b2335ac511a844d4145e33683__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-15531 avia-img-lazy-loading-not-15531\"  src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-1500x430.jpg\" width=\"1500\" height=\"430\" title='melloni' alt=''  itemprop=\"thumbnailUrl\" srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-1500x430.jpg 1500w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-300x86.jpg 300w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-1030x295.jpg 1030w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-768x220.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-1536x440.jpg 1536w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-2048x587.jpg 2048w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/melloni-705x202.jpg 705w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/div><\/li><\/ul><\/div><\/div> <div id='av_section_1'  class='avia-section av-kwdhu1gy-eb669d677d37af9945f62ace4a27e022 main_color avia-section-default avia-no-border-styling  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_horizontal_gallery  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-15528'><div class='entry-content-wrapper clearfix'> <div  class='tabcontainer av-kki4a7y3-c5cf677076c352c5d458f97cfd07af46 top_tab  avia-builder-el-2  avia-builder-el-no-sibling  colore linguette quando sono attive invalid-custom-class-found postid-14226 divtabactive_tabtab background-color ebebeb invalid-custom-class-found font linguette invalid-custom-class-found postid-14226 divtabtab Font px Montserrat Helveticaneue font-weight bold invalid-custom-class-found'> <section class='av_tab_section av_tab_section av-86lm3s-f975ede256cb807b53358fffb91a576b'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div id='tab-id-1-tab' class='tab active_tab' role='tab' aria-selected=\"true\" tabindex=\"0\" data-fake-id='#tab-id-1' aria-controls='tab-id-1-content'  itemprop=\"headline\" >LA MOSTRA<\/div><div id='tab-id-1-content' class='tab_content active_tab_content' role='tabpanel' aria-labelledby='tab-id-1-tab' aria-hidden=\"false\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><p> <strong><em>Macedonio Melloni. Il calore e la luce invisibile<\/em><\/strong> 18 aprile\/7 giugno 2015 Galleria San Ludovico \u2013 Borgo del Parmigianino 2\/B, Parma La mostra vuole ripercorrere e presentare le tappe principali della vita e della attivit\u00e0 di scienziato e patriota di Macedonio Melloni (Parma 1798 &#8211; Portici 1854), presentando la sua pioneristica attivit\u00e0 di ricerca, le relazioni con i maggiori scienziati contemporanei, la sua fervente attivit\u00e0 intellettuale e la passione politica che lo contraddistinsero. Il percorso espositivo si articola in diverse sezioni che raccontano il personaggio attraverso <strong>immagini, disegni, lettere, documenti e strumenti scientifici<\/strong> a lui appartenuti, che raccontano le varie fasi di un\u2019intensa vita\u00a0 di ricerca, mantenendo un costante riferimento ai fatti storici e politici del tempo. Cinque <strong>postazioni interattive<\/strong>, inoltre, permettono al visitatore di simulare in prima persona alcuni degli esperimenti che lo stesso Melloni mise in atto per confermare le sue teorie. Un allestimento coinvolgente e stimolante che cerca di avvicinare i pi\u00f9 piccoli allo studio delle materie scientifiche, approfondisce la vita di Melloni attraverso la presentazione di documenti inediti e si pone come occasione per conosce meglio di questa importante personalit\u00e0 di Parma. <strong>MACEDONIO MELLONI<\/strong> Macedonio Melloni \u00e8 un importante fisico italiano, vissuto nel XIX secolo. Nasce a Parma l\u201911 Aprile 1798. Completati gli studi secondari nella sua citt\u00e0, nel 1819 parte per Parigi dove frequenta lezioni di matematica e di fisica all\u2019\u00c9cole Polytechnique. Nel 1824 fa ritorno a Parma dove viene nominato supplente alla Cattedra di Fisica Teorica e Pratica del professor Pietro Sgagnoni. Alla morte di Sgagnoni, avvenuta nel settembre 1827, diviene titolare della Cattedra e direttore del Gabinetto di Fisica. Durante questo periodo si occupa prevalentemente di meteorologia e di igrometria e, su suo progetto, fa costruire per il Gabinetto di Fisica una serie di strumenti, fra i quali un barometro a rubinetto. Nel 1829 apprende che, nella vicina Reggio, Leopoldo Nobili ha messo a punto un primo esemplare di termopila, apparecchio fondato sull\u2019effetto termoelettrico scoperto da Thomas Johann Seebeck nel 1821, e intuisce subito le grandi possibilit\u00e0 di impiego del nuovo strumento negli studi sulla radiazione termica. Quando ha ormai gettato le basi per una serie di ricerche sul calore radiante, nel novembre 1830 \u00e8 costretto a dimettersi e obbligato all\u2019esilio. La sua prolusione pronunciata all\u2019apertura dell\u2019anno accademico non piace al governo di Maria Luigia d\u2019Austria, duchessa di Parma, Piacenza e Guastalla, perch\u00e9 vi \u00e8 un chiaro elogio agli studenti francesi che hanno largamente contribuito a cacciar via da Parigi il re Carlo X nel luglio dello stesso anno. Lasciata Parma, si reca a Parigi e poi a Firenze e nel febbraio del 1831 vi ritorna per far parte del governo provvisorio. Vi rimane fino agli inizi di marzo con l\u2019entrata a Parma delle truppe austriache e della seguente restaurazione. Essendo stato emesso nei suoi confronti, come di per altri colleghi, docenti e patrioti, un mandato di cattura, egli \u00e8 ricercato quale componente del governo provvisorio. Durante il suo peregrinare mantiene i contatti con Nobili, che a sua volta ha dovuto lasciare Reggio Emilia per Firenze in seguito a un analogo mandato di cattura, con il quale ha una breve ma intensa collaborazione scientifica. I primi risultati sono ottenuti con il termomoltiplicatore, apparecchio costruito dall\u2019unione di una termopila e di un galvanometro astatico. Avendo avuto, per interessamento dei collegi parigini, tra cui Fran\u00e7ois Arago, un incarico d\u2019insegnamento all\u2019Universit\u00e0 di D\u00f4le nel Giura francese, vi rimane fino agli inizi del 1832 quando lascia D\u00f4le definitivamente e si stabilisce per un po\u2019 a Ginevra, ospite di Auguste De La Rive, professore di fisica nella locale universit\u00e0, con il quale si lega di una amicizia che durer\u00e0 per tutta la sua vita. Presso il laboratorio di De La Rive ha la possibilit\u00e0 di compiere da solo i primi studi sulla trasmissione del calore radiante. Il 4 febbraio 1833 presenta i suoi risultati all\u2019Acad\u00e9mie des sciences a Parigi. A Parigi prosegue assiduamente i suoi studi sulla trasmissione del calore radiante che gli valgono il conferimento, da parte della Royal Society, della Medaglia Rumford per i suoi meriti scientifici, la massima onorificenza del tempo per ricerche di fisica su luce e calore. Anche a Parigi l\u2019Acad\u00e9mie des sciences nomina una commissione di cui fanno parte Fran\u00e7ois Arago, Jean-Baptiste Biot e Sim\u00e9on-Denis Poisson, che esamina in dettaglio i suoi risultati ed esprime, finalmente, un giudizio altamente positivo. Il 3 agosto 1835 ha la definitiva consacrazione divenendo membro dell\u2019Acad\u00e9mie des sciences, la prima di una lunga serie di nomine a istituzioni scientifiche di tutta Europa. Per interessamento di Arago e di Alexander von Humboldt, naturalista e geografo tedesco, che intercedono per lui presso il principe di Metternich, nel 1837 Maria Luigia gli revoca il decreto d\u2019esilio. Nel 1838 rientra a Parma, dove per\u00f2 non rimane a lungo per l\u2019impossibilit\u00e0 di avere un incarico. Accetta l\u2019invito di re Ferdinando II di Borbone a trasferirsi a Napoli, dove il 18 marzo 1839 viene nominato direttore dell\u2019erigendo Osservatorio Meteorologico, direttore del Conservatorio di Arti e Mestieri e professore onorario di fisica. Durante il discorso per l\u2019inaugurazione dell\u2019Osservatorio, avvenuta nel 1845, traccia un articolato programma di ricerche teoriche e sperimentali di meteorologia e geofisica da estendere anche ad altre parti del `regno, in un pi\u00f9 ampio progetto di collaborazione con la Francia e l\u2019Inghilterra. La sua volont\u00e0 \u00e8 di realizzare un centro di ricerca al livello di altri centri di studio europei, a dispetto delle inefficienze e delle ostilit\u00e0 di una parte dell\u2019ambiente accademico napoletano. Nel gennaio del 1848 \u00e8 costretto a dimettersi da tutti i suoi incarichi per le sue idee a favore della Costituzione. Si ritira a Porticidove si \u00a0dedica alla stesura de <em>La Thermochrose<\/em>, compendio e revisione critica delle sue idee sulla radiazione termica. La prima parte \u00e8 pubblicata a Napoli nel 1850. Il manoscritto della seconda parte, non pubblicata, andr\u00e0 perduto insieme con molti documenti e apparecchi che gli appartenevano. In questo periodo compie studi di elettrologia ed esperienze sul magnetismo residuo delle rocce laviche. Muore a Portici, vittima dell\u2019epidemia di colera, l\u201911 Agosto 1854. <\/p>\n<\/div><\/div><\/section> <section class='av_tab_section av_tab_section av-nhbko8-41142675428800fef08db0a4a2636f59'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div id='tab-id-2-tab' class='tab' role='tab' aria-selected=\"false\" tabindex=\"0\" data-fake-id='#tab-id-2' aria-controls='tab-id-2-content'  itemprop=\"headline\" >COLOPHON<\/div><div id='tab-id-2-content' class='tab_content' role='tabpanel' aria-labelledby='tab-id-2-tab' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><p> Una mostra organizzata dal Sistema Museale dell\u2019Universit\u00e0 degli \u200bStudi di Parma in collaborazione con il Dipartimento di Fisica e Scienze della Terra \u201cMacedonio Melloni\u201d e il Dipartimento di Fisica dell\u2019Universit\u00e0 degli Studi di Napoli \u201cFederico II\u201d <strong>COMITATO SCIENTIFICO<\/strong> <em>Luca Trentadue<\/em>, responsabile Dipartimento di Fisica e Scienze della Terra \u201cMacedonio Melloni\u201d <em>Edvige Schettino<\/em> Dipartimento di Fisica Universit\u00e0 di Napoli \u201cFederico II\u201d <em>Gloria Bianchino <\/em>Dipartimento di Lettere, Arti, Storia e Societ\u00e0 <em>Aldo De Poli e Carlo Mambriani<\/em> Dipartimento di Ingegneria Civile, dell\u2019Ambiente, del Territorio e Architettura <em>Roberto De Renzi <\/em>Dipartimento di Fisica e Scienze della Terra \u201cMacedonio Melloni\u201d <strong>COMITATO ORGANIZZATORE<\/strong> <em>Marina Gorreri<\/em>, coordinatrice Sistema Museale di Ateneo <em>Maria Amarante <\/em>Dipartimento di Ingegneria Civile, dell\u2019Ambiente, del Territorio e Architettura <em>Giuseppe Mambriani <\/em>e<em> Massimo Savino <\/em>Dipartimento di Fisica e Scienze della Terra \u201cMacedonio Melloni\u201d <em>Claudio Peruggi <\/em>Tirocinante presso il Dipartimento di Fisica Universit\u00e0 di Napoli \u201cFederico II\u201d <strong>PROGETTO ALLESTIMENTO E GRAFICA<\/strong> <em>Maria Amarante<\/em> <strong>EXHIBIT INTERATTIVI<\/strong> <em>Iari Gabriel Marino<\/em>, coordinatore Optotesys &#8211; Optical Technology and Systems <em>Antonio Grimaldi <\/em>e<em> Michele Ronchini <\/em>Dipartimento di Fisica e Scienze della Terra \u201cMacedonio Melloni\u201d <strong>SUPPORTO TECNOLOGICO<\/strong> <em>Roberto Alfieri, Alessio Cavalieri <\/em>e<em> Roberto Covati <\/em>Dipartimento di Fisica e Scienze della Terra \u201cMacedonio Melloni\u201d <strong>DIVULGAZIONE E DIDATTICA<\/strong> <em>Lara Albanese<\/em> sito web a cura di <em>Roberto De Pietri <\/em>Dipartimento di Fisica e Scienze della Terra \u201cMacedonio Melloni\u201d con il contributo storico di <em>Graziano Tonelli <\/em>Archivio di Stato di Parma e la collaborazione di <em>Maria Grazia Perazzo <\/em>Archivio Storico dell\u2019Universit\u00e0 degli Studi di Parma <em>Fabio Stocchi <\/em> <em>Louis Garcia Campa <\/em>Progetto Erasmus+, Universidad Complutense de Madrid con l\u2019apporto di Soprintendenza Belle Arti e Paesaggio per le provincie di Parma e Piacenza Teatro Regio di Parma con il supporto fotografico di <em>Lisa Lorenzini<\/em> <a href=\"https:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-15745\" src=\"https:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-300x258.jpg\" alt=\"\" width=\"300\" height=\"258\" srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-300x258.jpg 300w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-1030x886.jpg 1030w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-768x660.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-1536x1321.jpg 1536w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-2048x1761.jpg 2048w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-1500x1290.jpg 1500w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/colophon-Melloni-705x606.jpg 705w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <\/p>\n<\/div><\/div><\/section> <section class='av_tab_section av_tab_section av-15msy94-929cad00ef064d9bf0b50c4d83785f52'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div id='tab-id-3-tab' class='tab' role='tab' aria-selected=\"false\" tabindex=\"0\" data-fake-id='#tab-id-3' aria-controls='tab-id-3-content'  itemprop=\"headline\" >CATALOGO<\/div><div id='tab-id-3-content' class='tab_content' role='tabpanel' aria-labelledby='tab-id-3-tab' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><p> Catalogo edito da Mup Editore <a href=\"https:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-15742 alignnone\" src=\"https:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni-300x297.jpg\" alt=\"\" width=\"300\" height=\"297\" srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni-300x297.jpg 300w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni-80x80.jpg 80w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni-768x760.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni-36x36.jpg 36w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni-705x698.jpg 705w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/Copertina_Melloni.jpg 1000w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/www.mupeditore.it\/saggistica\/divulgazione_scientifica\/macedonio_melloni_luce_calore_invisibile.aspx\">MUP &#8211; Monte Universit\u00e0 Parma Editore | Saggistica | MACEDONIO MELLONI. IL CALORE E LA LUCE INVISIBILE (mupeditore.it)<\/a> <\/p>\n<\/div><\/div><\/section> <section class='av_tab_section av_tab_section av-jrjh1k-14e3d72bac32d1f876d3466babb015d3'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div id='tab-id-4-tab' class='tab' role='tab' aria-selected=\"false\" tabindex=\"0\" data-fake-id='#tab-id-4' aria-controls='tab-id-4-content'  itemprop=\"headline\" >GALLERIA FOTOGRAFICA<\/div><div id='tab-id-4-content' class='tab_content' role='tabpanel' aria-labelledby='tab-id-4-tab' aria-hidden=\"true\"><div class='tab_inner_content invers-color'  itemprop=\"text\" ><\/div><\/div><\/section> <\/div> \n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kkplykiu-a89bd8fa14596817b1850ae833cb40f4\">\n.av-horizontal-gallery.av-kkplykiu-a89bd8fa14596817b1850ae833cb40f4{\npadding:3.75% 0px;;\n}\n.av-horizontal-gallery.av-kkplykiu-a89bd8fa14596817b1850ae833cb40f4 .av-horizontal-gallery-inner{\npadding-bottom:25%;\n}\n<\/style>\n<div  class='av-horizontal-gallery av-kkplykiu-a89bd8fa14596817b1850ae833cb40f4 av-horizontal-gallery-large-gap av-horizontal-gallery-enlarge-effect  avia-builder-el-3  el_after_av_section  avia-builder-el-last  av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-horizontal-gallery-1' data-slideshow-data=\"{&quot;enlarge&quot;:1.3,&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:&quot;&quot;,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class='avia-slideshow-arrows avia-slideshow-controls' ><a href='#prev' class='prev-slide av-horizontal-gallery-prev avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='left-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Prec\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-1'>Prec<\/title>\n<desc id='av-svg-desc-1'>Prec<\/desc>\n<path d=\"M14.464 27.84q0.832 0.832 0 1.536-0.832 0.832-1.536 0l-12.544-12.608q-0.768-0.768 0-1.6l12.544-12.608q0.704-0.832 1.536 0 0.832 0.704 0 1.536l-11.456 11.904z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Prec<\/span><\/a><a href='#next' class='next-slide av-horizontal-gallery-next avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Succ\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-2'>Succ<\/title>\n<desc id='av-svg-desc-2'>Succ<\/desc>\n<path d=\"M0.416 27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Succ<\/span><\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls av-horizontal-gallery-dots fade-in'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><a href='#3' class='goto-slide ' >3<\/a><a href='#4' class='goto-slide ' >4<\/a><a href='#5' class='goto-slide ' >5<\/a><a href='#6' class='goto-slide ' >6<\/a><a href='#7' class='goto-slide ' >7<\/a><a href='#8' class='goto-slide ' >8<\/a><a href='#9' class='goto-slide ' >9<\/a><a href='#10' class='goto-slide ' >10<\/a><a href='#11' class='goto-slide ' >11<\/a><a href='#12' class='goto-slide ' >12<\/a><a href='#13' class='goto-slide ' >13<\/a><a href='#14' class='goto-slide ' >14<\/a><a href='#15' class='goto-slide ' >15<\/a><a href='#16' class='goto-slide ' >16<\/a><a href='#17' class='goto-slide ' >17<\/a><a href='#18' class='goto-slide ' >18<\/a><\/div><div class='av-horizontal-gallery-inner' data-av-height='25'><div class=\"av-horizontal-gallery-slider\"><div class=\"av-horizontal-gallery-wrap noHover\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-15536 avia-img-lazy-loading-15536 av-horizontal-gallery-img' width=\"579\" height=\"1030\" src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-579x1030.jpg\" title='Macedonio Melloni. Il calore e la luce invisibile' alt='' srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-579x1030.jpg 579w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-169x300.jpg 169w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-768x1365.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-864x1536.jpg 864w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-1152x2048.jpg 1152w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-844x1500.jpg 844w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-397x705.jpg 397w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-scaled.jpg 1440w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><a href=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-579x1030.jpg\" data-srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-579x1030.jpg 579w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-169x300.jpg 169w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-768x1365.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-864x1536.jpg 864w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-1152x2048.jpg 1152w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-844x1500.jpg 844w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-397x705.jpg 397w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115111-scaled.jpg 1440w\" data-sizes=\"(max-width: 579px) 100vw, 579px\" class='av-horizontal-gallery-link avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='resize-full' data-av_iconset='svg_entypo-fontello' title='Macedonio Melloni. Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-3' aria-describedby='av-svg-desc-3' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-3'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-3'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/desc>\n<path d=\"M15.232 3.328h10.112v10.112l-3.2-3.968-4.672 4.864-3.2-3.2 4.864-4.672zM7.872 17.536l3.2 3.2-4.864 4.672 3.904 3.2h-10.112v-10.112l3.2 3.904z\"><\/path>\n<\/svg><\/a><\/div><div class=\"av-horizontal-gallery-wrap noHover\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-15538 avia-img-lazy-loading-15538 av-horizontal-gallery-img' width=\"579\" height=\"1030\" src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-579x1030.jpg\" title='Macedonio Melloni. Il calore e la luce invisibile' alt='' srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-579x1030.jpg 579w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-169x300.jpg 169w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-768x1365.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-864x1536.jpg 864w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-1152x2048.jpg 1152w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-844x1500.jpg 844w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-397x705.jpg 397w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-scaled.jpg 1440w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><a href=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-579x1030.jpg\" data-srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-579x1030.jpg 579w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-169x300.jpg 169w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-768x1365.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-864x1536.jpg 864w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-1152x2048.jpg 1152w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-844x1500.jpg 844w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-397x705.jpg 397w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115135-scaled.jpg 1440w\" data-sizes=\"(max-width: 579px) 100vw, 579px\" class='av-horizontal-gallery-link avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='resize-full' data-av_iconset='svg_entypo-fontello' title='Macedonio Melloni. Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-4' aria-describedby='av-svg-desc-4' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-4'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-4'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/desc>\n<path d=\"M15.232 3.328h10.112v10.112l-3.2-3.968-4.672 4.864-3.2-3.2 4.864-4.672zM7.872 17.536l3.2 3.2-4.864 4.672 3.904 3.2h-10.112v-10.112l3.2 3.904z\"><\/path>\n<\/svg><\/a><\/div><div class=\"av-horizontal-gallery-wrap noHover\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-15540 avia-img-lazy-loading-15540 av-horizontal-gallery-img' width=\"579\" height=\"1030\" src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-579x1030.jpg\" title='Macedonio Melloni. Il calore e la luce invisibile' alt='' srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-579x1030.jpg 579w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-169x300.jpg 169w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-768x1365.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-864x1536.jpg 864w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-1152x2048.jpg 1152w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-844x1500.jpg 844w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-397x705.jpg 397w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-scaled.jpg 1440w\" sizes=\"auto, (max-width: 579px) 100vw, 579px\" \/><a href=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-579x1030.jpg\" data-srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-579x1030.jpg 579w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-169x300.jpg 169w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-768x1365.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-864x1536.jpg 864w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-1152x2048.jpg 1152w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-844x1500.jpg 844w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-397x705.jpg 397w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115150-scaled.jpg 1440w\" data-sizes=\"(max-width: 579px) 100vw, 579px\" class='av-horizontal-gallery-link avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='resize-full' data-av_iconset='svg_entypo-fontello' title='Macedonio Melloni. Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-5' aria-describedby='av-svg-desc-5' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-5'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-5'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/desc>\n<path d=\"M15.232 3.328h10.112v10.112l-3.2-3.968-4.672 4.864-3.2-3.2 4.864-4.672zM7.872 17.536l3.2 3.2-4.864 4.672 3.904 3.2h-10.112v-10.112l3.2 3.904z\"><\/path>\n<\/svg><\/a><\/div><div class=\"av-horizontal-gallery-wrap noHover\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-15542 avia-img-lazy-loading-15542 av-horizontal-gallery-img' width=\"1030\" height=\"579\" src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115157-1030x579.jpg\" title='Macedonio Melloni. 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Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-6' aria-describedby='av-svg-desc-6' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-6'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-6'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. 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Il calore e la luce invisibile' alt='' srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-1030x579.jpg 1030w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-300x169.jpg 300w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-768x432.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-1536x864.jpg 1536w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-2048x1152.jpg 2048w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-1500x844.jpg 1500w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-705x397.jpg 705w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><a href=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-1030x579.jpg\" data-srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-1030x579.jpg 1030w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-300x169.jpg 300w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-768x432.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-1536x864.jpg 1536w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-2048x1152.jpg 2048w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-1500x844.jpg 1500w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115209-705x397.jpg 705w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" class='av-horizontal-gallery-link avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='resize-full' data-av_iconset='svg_entypo-fontello' title='Macedonio Melloni. Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-7' aria-describedby='av-svg-desc-7' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-7'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-7'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/desc>\n<path d=\"M15.232 3.328h10.112v10.112l-3.2-3.968-4.672 4.864-3.2-3.2 4.864-4.672zM7.872 17.536l3.2 3.2-4.864 4.672 3.904 3.2h-10.112v-10.112l3.2 3.904z\"><\/path>\n<\/svg><\/a><\/div><div class=\"av-horizontal-gallery-wrap noHover\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-15546 avia-img-lazy-loading-15546 av-horizontal-gallery-img' width=\"1030\" height=\"579\" src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/20150605_115242-1030x579.jpg\" title='Macedonio Melloni. 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Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-8' aria-describedby='av-svg-desc-8' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-8'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-8'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. 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Il calore e la luce invisibile' alt='' srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-1030x823.jpg 1030w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-300x240.jpg 300w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-768x614.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-1536x1227.jpg 1536w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-2048x1636.jpg 2048w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-1500x1198.jpg 1500w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-705x563.jpg 705w\" sizes=\"auto, (max-width: 1030px) 100vw, 1030px\" \/><a href=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-1030x823.jpg\" data-srcset=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-1030x823.jpg 1030w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-300x240.jpg 300w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-768x614.jpg 768w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-1536x1227.jpg 1536w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-2048x1636.jpg 2048w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-1500x1198.jpg 1500w, http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_9041-705x563.jpg 705w\" data-sizes=\"(max-width: 1030px) 100vw, 1030px\" class='av-horizontal-gallery-link avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='resize-full' data-av_iconset='svg_entypo-fontello' title='Macedonio Melloni. Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-13' aria-describedby='av-svg-desc-13' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-13'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-13'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. 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Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-14' aria-describedby='av-svg-desc-14' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-14'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-14'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. 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Il calore e la luce invisibile<\/desc>\n<path d=\"M15.232 3.328h10.112v10.112l-3.2-3.968-4.672 4.864-3.2-3.2 4.864-4.672zM7.872 17.536l3.2 3.2-4.864 4.672 3.904 3.2h-10.112v-10.112l3.2 3.904z\"><\/path>\n<\/svg><\/a><\/div><div class=\"av-horizontal-gallery-wrap noHover\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-15563 avia-img-lazy-loading-15563 av-horizontal-gallery-img' width=\"687\" height=\"1030\" src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_8970-687x1030.jpg\" title='Macedonio Melloni. 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Il calore e la luce invisibile' alt='' aria-label='Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"25\" height=\"32\" viewBox=\"0 0 25 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-18' aria-describedby='av-svg-desc-18' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-18'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/title>\n<desc id='av-svg-desc-18'>Aprire l&#039;immagine in lightbox: Macedonio Melloni. Il calore e la luce invisibile<\/desc>\n<path d=\"M15.232 3.328h10.112v10.112l-3.2-3.968-4.672 4.864-3.2-3.2 4.864-4.672zM7.872 17.536l3.2 3.2-4.864 4.672 3.904 3.2h-10.112v-10.112l3.2 3.904z\"><\/path>\n<\/svg><\/a><\/div><div class=\"av-horizontal-gallery-wrap noHover\"><img decoding=\"async\" loading=\"lazy\" class='wp-image-15571 avia-img-lazy-loading-15571 av-horizontal-gallery-img' width=\"1030\" height=\"687\" src=\"http:\/\/www.sma.unipr.it\/wp-content\/uploads\/2021\/02\/IMG_8997-1030x687.jpg\" title='Macedonio Melloni. 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