Severity: 8192
Message: Creation of dynamic property CI_URI::$config is deprecated
Filename: core/URI.php
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Function: require_once
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Filename: core/Controller.php
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Function: require_once
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Filename: core/Controller.php
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Function: require_once
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Filename: core/Controller.php
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Filename: core/Controller.php
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Function: require_once
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Filename: core/Controller.php
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Filename: core/Controller.php
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Function: require_once
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Filename: core/Controller.php
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Line: 315
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Filename: core/Controller.php
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Function: require_once
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Filename: core/Controller.php
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Filename: core/Controller.php
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Function: require_once
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Filename: core/Controller.php
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Function: require_once
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Filename: core/Loader.php
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Filename: database/DB_driver.php
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Function: require_once
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Message: ini_set() [function.ini-set]: Session ini settings cannot be changed after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
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Function: require_once
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Filename: Session/Session.php
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Filename: Session/Session.php
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File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
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Message: ini_set() [function.ini-set]: Session ini settings cannot be changed after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
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File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
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Message: ini_set() [function.ini-set]: Session ini settings cannot be changed after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
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Backtrace:
File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
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Message: ini_set() [function.ini-set]: Session ini settings cannot be changed after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
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Backtrace:
File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
Severity: Warning
Message: ini_set() [function.ini-set]: Session ini settings cannot be changed after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
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File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
Severity: Warning
Message: ini_set() [function.ini-set]: Session ini settings cannot be changed after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
Line Number: 426
Backtrace:
File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
Severity: Warning
Message: session_set_save_handler() [function.session-set-save-handler]: Session save handler cannot be changed after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
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File: /var/www/prodicon.dk/public_html/index.php
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Message: session_start() [function.session-start]: Session cannot be started after headers have already been sent (sent from /var/www/prodicon.dk/public_html/system/core/Exceptions.php on line 76)
Filename: Session/Session.php
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Backtrace:
File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
Severity: 8192
Message: Creation of dynamic property Product::$session is deprecated
Filename: core/Loader.php
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File: /var/www/prodicon.dk/public_html/index.php
Line: 315
Function: require_once
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Filename: core/Loader.php
Line Number: 932
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Line: 220
Function: view
File: /var/www/prodicon.dk/public_html/index.php
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Filename: core/Loader.php
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File: /var/www/prodicon.dk/public_html/application/controllers/Product.php
Line: 220
Function: view
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Filename: core/Loader.php
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Line: 220
Function: view
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Jernspåner er ideelle til magnetiske eksperimenter og demonstrationer i undervisningsøjemed. Disse 100 g jernspåner er lette at håndtere og kan bruges sammen med magneter til at illustrere magnetiske felter og tiltrækningskræfter. Deres tynde og skarpe form gør dem ideelle til at vise tydelige linjer og mønstre, når de reagerer på magnetiske påvirkninger.
Med jernspånerne kan elever og forskere udforske grundlæggende principper inden for magnetisme og lære om magnetfelters interaktion med materialer. Denne praktiske tilgang til undervisning giver en hands-on oplevelse, der kan øge forståelsen og engagementet hos studerende i naturvidenskabelige emner.
Udover undervisningsformål kan jernspåner også bruges til kunst- og håndværksprojekter, hvor de kan tilføre en interessant tekstur og visuel effekt. Med deres alsidighed og magnetiske egenskaber er jernspåner et sjovt og lærerigt materiale til at udforske verdenen omkring os gennem praktiske eksperimenter.
Efter at have gennemført flere magnetiske eksperimenter med 100 gram jernspåner kan det konkluderes, at materialet reagerer på påvirkninger fra en magnet på en pålidelig og forudsigelig måde. Ved at bringe en magnet i nærheden af jernspånerne blev det observeret, at spånerne tiltrækkes og holder sig fast på magneten, hvilket tydeligt demonstrerer jernspånernes magnetiske egenskaber. Denne fysiske egenskab af jernspåner blev nøje observeret ved forskellige typer af magneter med varierende styrke og polaritet, hvor jernspånerne altid reagerede i overensstemmelse med de etablerede principper for magnetiske tiltrækningskræfter. Resultaterne er i overensstemmelse med teorien om magnetisme og bekræfter jernspånernes evne til at interagere med magneter på en pålidelig og forudsigelig måde. Disse observationer indikerer, at jernspåner er velegnede til anvendelse i magnetiske eksperimenter, hvor der fokuseres på undersøgelse af magnetiske egenskaber og tiltrækningskræfter.
