Simpele spectroscoop

############################# Video Source: www.youtube.com/watch?v=5brReLY-wv4

Van een luciferdoosje en een stuk van een cd maak je in een handomdraai een simpele spectroscoop. Niet heel gevoelig, maar je kunt er jet verschil in spectrum mee zien tussen bijvoorbeeld een gewone gloeilamp en een LED lamp of spaarlamp. • Uit de serie 'Cogito ergo Boem' van de Universiteitskrant Groningen. Voor het artikel dat bij dit filmpje hoort en een disclaimer: www.universiteitskrant.nl/boem","styleRuns":[{"startIndex":0,"length":400,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":400,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"continuationItemRenderer":{"trigger":"CONTINUATION_TRIGGER_ON_ITEM_SHOWN","continuationEndpoint":{"clickTrackingParams":"CLQBELsvGAIiEwi-49mag-aJAxUKRXoFHX23AkU=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/next"}},"continuationCommand":{"token":"Eg0SCzViclJlTFktd3Y0GAYyJSIRIgs1YnJSZUxZLXd2NDAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D","request":"CONTINUATION_REQUEST_TYPE_WATCH_NEXT"}}}}],"trackingParams":"CLQBELsvGAIiEwi-49mag-aJAxUKRXoFHX23AkU=","sectionIdentifier":"comment-item-section","targetId":"comments-section"}}],"trackingParams":"CLMBELovIhMIvuPZmoPmiQMVCkV6BR19twJF"}},"secondaryResults":{"secondaryResults":{"results":[{"lockupViewModel":{"contentImage":{"collectionThumbnailViewModel":{"primaryThumbnail":{"thumbnailViewModel":{"image":{"sources":[{"url":"https://i.ytimg.com/vi/q3lkc2JMEYY/hqdefault.jpg?sqp=-oaymwEwCKgBEF5IWvKriqkDIwgBFQAAiEIYAfABAfgB_gmAAtAFigIMCAAQARhZIGIoZTAP rs=AOn4CLBvyUF_YJGB5Fp6ep9ljM9h0_XNdA","width":168,"height":94},{"url":"https://i.ytimg.com/vi/q3lkc2JMEYY/hqdefault.jpg?sqp=-oaymwExCNACELwBSFryq4qpAyMIARUAAIhCGAHwAQH4Af4JgALQBYoCDAgAEAEYWSBiKGUwDw== rs=AOn4CLArDIO9MEUMDRB4v47mOX9-QI9sAw","width":336,"height":188}]},"overlays":[{"thumbnailOverlayBadgeViewModel":{"thumbnailBadges":[{"thumbnailBadgeViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAYLISTS"}}]},"text":"43 відео","badgeStyle":"THUMBNAIL_OVERLAY_BADGE_STYLE_DEFAULT","backgroundColor":{"lightTheme":2172198,"darkTheme":2172198}}}],"position":"THUMBNAIL_OVERLAY_BADGE_POSITION_BOTTOM_END"}},{"thumbnailHoverOverlayViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAY_ALL"}}]},"text":{"content":"Відтворити все","styleRuns":[{"startIndex":0,"length":14}]},"style":"THUMBNAIL_HOVER_OVERLAY_STYLE_COVER"}}],"backgroundColor":{"lightTheme":3620159,"darkTheme":3620159}}},"stackColor":{"lightTheme":8754329,"darkTheme":8030348}}},"metadata":{"lockupMetadataViewModel":{"title":{"content":"Elektriciteit (ASO)"},"metadata":{"contentMetadataViewModel":{"metadataRows":[{"metadataParts":[{"text":{"content":"Jeroen De Vos

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