#accaddeoggi 18 settembre 1819: nasce Léon Foucault

Celebre scienziato francese

Jean Bernard Léon Foucault nacque a Parigi il 18 settembre 1819.

Dopo un primo interessamento per la medicina, Foucault sviluppò invece una forte passione per la fisica, concentrandosi in particolare sulla misurazione della luce e sullo studio della sua propagazione.

Nel 1951 riuscì a dimostrare la rotazione terrestre, allestendo il celebre esperimento del pendolo di Foucault all’interno del Pantheon di Parigi. Questa dimostrazione – insieme all’invenzione del giroscopio – gli valse quattro anni più tardi la medaglia Copley della Royal Society di Londra, prestigiosa associazione scientifica di cui divenne membro straniero qualche tempo dopo.

Léon Foucault morì nella sua città natale l’11 febbraio 1868.

Pendulum: Léon Foucault e il trionfo della scienza

redazione
parte di: Accadde oggi ...

18/09/2017

Powered by eZ Publish™ CMS Open Source Web Content Management. Copyright © 1999-2014 eZ Systems AS (except where otherwise noted). All rights reserved.

eZ debug

Clear cache:

Quick settings:

Timing: Jul 24 2025 03:06:52
Script start
Timing: Jul 24 2025 03:06:52
Module start 'layout'
Timing: Jul 24 2025 03:06:52
Module start 'content'
Timing: Jul 24 2025 03:06:53
Module end 'content'
Debug: ezpI18n::translateText Jul 24 2025 03:06:53
Missing translation for message in context: 'kernel/navigationpart' with comment: 'Navigation part'. The untranslated message is: 'contentclassmanager'
Debug: ezpI18n::translateText Jul 24 2025 03:06:53
Missing translation for message in context: 'kernel/navigationpart' with comment: 'Navigation part'. The untranslated message is: 'Apps'
Debug: ezpI18n::translateText Jul 24 2025 03:06:53
Missing translation for message in context: 'kernel/navigationpart' with comment: 'Navigation part'. The untranslated message is: 'Amministrazione Trasparente'
Debug: ezpI18n::translateText Jul 24 2025 03:06:53
Missing translation for message in context: 'kernel/navigationpart' with comment: 'Navigation part'. The untranslated message is: 'eZTags'
Error: eZTemplate @ extension/ocbootstrap/design/ocbootstrap/templates/canonical_link.tpl:1[0] Jul 24 2025 03:06:53
Unknown template variable 'pagedata' in namespace ''
Error: eZTemplate @ extension/ocbootstrap/design/ocbootstrap/templates/canonical_link.tpl:1[0] Jul 24 2025 03:06:53
Unknown template variable 'pagedata' in namespace ''
Timing: Jul 24 2025 03:06:53
Script end

Main resources:

Total runtime0.5522 sec
Peak memory usage27,904.0000 KB
Database Queries110

Timing points:

CheckpointStart (sec)Duration (sec)Memory at start (KB)Memory used (KB)
Script start 0.00000.0407 4,818.49221,693.8359
Module start 'layout' 0.04070.0142 6,512.3281678.7891
Module start 'content' 0.05500.4614 7,191.117217,599.2500
Module end 'content' 0.51640.0357 24,790.36721,421.7969
Script end 0.5521  26,212.1641 

Time accumulators:

 Accumulator Duration (sec) Duration (%) Count Average (sec)
Ini load
Load cache0.02724.9295350.0008
Check MTime0.00370.6658350.0001
PostgreSQL Cluster
DB queries0.01482.6858160.0009
Postgresql Total
Database connection0.00400.715510.0040
Postgresql queries0.196435.56791100.0018
Looping result0.00000.000000.0000
MySQL Cluster
DFS operations0.00030.063410.0003
TS translator
TS init0.00851.545270.0012
TS cache load0.00591.071270.0008
TS context load0.00430.778670.0006
Template Total0.435378.830.1451
Template load0.110520.004830.0368
String conversion in template resource0.00100.1873240.0000
Template parser: create text elements0.01542.7858240.0006
Template parser: remove whitespace0.00260.4735240.0001
Template parser: construct tree0.080914.6447240.0034
Template load and register function0.01152.0870100.0012
Template processing0.324858.816730.1083
states
state_id_array0.00200.360220.0010
state_identifier_array0.00310.561630.0010
Override
Cache load0.070512.7600310.0023
Sytem overhead
Fetch class attribute can translate value0.00390.703910.0039
Fetch class attribute name0.00390.713450.0008
XML
Image XML parsing0.00961.747310.0096
class_abstraction
Instantiating content class attribute0.00010.012950.0000
OCoembed
http://www.cbt.biblioteche.provincia.tn.it/oseegenius/resource?uri=5825947&v=l&dcnr=40.00010.019910.0001
General
String conversion0.00060.1175260.0000
Note: percentages do not add up to 100% because some accumulators overlap

CSS/JS files loaded with "ezjscPacker" during request:

CacheTypePacklevelSourceFiles
CSS0design/base/stylesheets/core.css
JS0extension/ocmaps/design/standard/javascript/leaflet.js
extension/ocbootstrap/design/ocbootstrap/javascript/insertmedia.js

Templates used to render the page:

UsageRequested templateTemplateTemplate loadedEditOverride
1node/view/full.tplfull/article.tplextension/oc_tcu/design/tcu/override/templates/full/article.tplEdit templateOverride template
1parts/opengraph_set_persistent.tpl<No override>extension/ngopengraph/design/standard/templates/parts/opengraph_set_persistent.tplEdit templateOverride template
2content/datatype/view/ezxmltext.tpl<No override>extension/ocembed/design/standard/templates/content/datatype/view/ezxmltext.tplEdit templateOverride template
5content/datatype/view/ezxmltags/paragraph.tpl<No override>extension/ocbootstrap/design/ocbootstrap/templates/content/datatype/view/ezxmltags/paragraph.tplEdit templateOverride template
1atoms/image.tpl<No override>extension/oc_tcu/design/tcu/templates/atoms/image.tplEdit templateOverride template
1content/datatype/view/ezimage.tpl<No override>extension/oc_tcu/design/tcu/templates/content/datatype/view/ezimage.tplEdit templateOverride template
1content/datatype/view/ezxmltags/emphasize.tpl<No override>extension/ocbootstrap/design/ocbootstrap/templates/content/datatype/view/ezxmltags/emphasize.tplEdit templateOverride template
1content/datatype/view/ezxmltags/link.tpl<No override>extension/ocbootstrap/design/ocbootstrap/templates/content/datatype/view/ezxmltags/link.tplEdit templateOverride template
1content/datatype/view/ezstring.tpl<No override>design/standard/templates/content/datatype/view/ezstring.tplEdit templateOverride template
1content/datatype/view/ezobjectrelationlist.tpl<No override>extension/oc_tcu/design/tcu/templates/content/datatype/view/ezobjectrelationlist.tplEdit templateOverride template
1content/view/embed.tpl<No override>extension/ocbootstrap/design/ocbootstrap/templates/content/view/embed.tplEdit templateOverride template
1parts/social_buttons.tpl<No override>extension/oc_tcu/design/tcu/templates/parts/social_buttons.tplEdit templateOverride template
1atoms/meta.tpl<No override>extension/oc_tcu/design/tcu/templates/atoms/meta.tplEdit templateOverride template
1print_pagelayout.tpl<No override>design/standard/templates/print_pagelayout.tplEdit templateOverride template
1page_head.tpl<No override>extension/oc_tcu/design/tcu/templates/page_head.tplEdit templateOverride template
1parts/opengraph_persistent.tpl<No override>extension/ngopengraph/design/standard/templates/parts/opengraph_persistent.tplEdit templateOverride template
1canonical_link.tpl<No override>extension/ocbootstrap/design/ocbootstrap/templates/canonical_link.tplEdit templateOverride template
1link.tpl<No override>extension/oc_tcu/design/tcu/templates/link.tplEdit templateOverride template
1page_mainarea.tpl<No override>design/standard/templates/page_mainarea.tplEdit templateOverride template
1page_warning.tpl<No override>design/standard/templates/page_warning.tplEdit templateOverride template
1page_copyright.tpl<No override>design/standard/templates/page_copyright.tplEdit templateOverride template
1setup/debug_toolbar.tpl<No override>design/standard/templates/setup/debug_toolbar.tplEdit templateOverride template
1setup/clear_cache.tpl<No override>design/standard/templates/setup/clear_cache.tplEdit templateOverride template
1setup/quick_settings.tpl<No override>design/standard/templates/setup/quick_settings.tplEdit templateOverride template
 Number of times templates used: 29
 Number of unique templates used: 24

Time used to render debug report: 0.0008 secs

DEV 192.168.105.41