Fiber Optics
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=evSgbe6sBv4
Fiber Optics Physics Demonstration","styleRuns":[{"startIndex":0,"length":34,"styleRunExtensions":{"styleRunColorMapExtension":{"colorMap":[{"key":"USER_INTERFACE_THEME_DARK","value":4294967295},{"key":"USER_INTERFACE_THEME_LIGHT","value":4279440147}]}},"fontFamilyName":"Roboto"}]},"headerRuns":[{"startIndex":0,"length":34,"headerMapping":"ATTRIBUTED_STRING_HEADER_MAPPING_UNSPECIFIED"}]}},{"itemSectionRenderer":{"contents":[{"continuationItemRenderer":{"trigger":"CONTINUATION_TRIGGER_ON_ITEM_SHOWN","continuationEndpoint":{"clickTrackingParams":"CKsBELsvGAIiEwi4msPI9PGJAxVX-UIFHWxUErk=","commandMetadata":{"webCommandMetadata":{"sendPost":true,"apiUrl":"/youtubei/v1/next"}},"continuationCommand":{"token":"Eg0SC2V2U2diZTZzQnY0GAYyJSIRIgtldlNnYmU2c0J2NDAAeAJCEGNvbW1lbnRzLXNlY3Rpb24%3D","request":"CONTINUATION_REQUEST_TYPE_WATCH_NEXT"}}}}],"trackingParams":"CKsBELsvGAIiEwi4msPI9PGJAxVX-UIFHWxUErk=","sectionIdentifier":"comment-item-section","targetId":"comments-section"}}],"trackingParams":"CKoBELovIhMIuJrDyPTxiQMVV_lCBR1sVBK5"}},"secondaryResults":{"secondaryResults":{"results":[{"lockupViewModel":{"contentImage":{"collectionThumbnailViewModel":{"primaryThumbnail":{"thumbnailViewModel":{"image":{"sources":[{"url":"https://i.ytimg.com/vi/81KkC1zVlzU/hqdefault.jpg?sqp=-oaymwEWCKgBEF5IWvKriqkDCQgBFQAAiEIYAQ== rs=AOn4CLBqMQ4EfPqjpIMp2yy3u28Y9OB-qA","width":168,"height":94},{"url":"https://i.ytimg.com/vi/81KkC1zVlzU/hqdefault.jpg?sqp=-oaymwEXCNACELwBSFryq4qpAwkIARUAAIhCGAE= rs=AOn4CLDlCv4K1dQPMxyg7pRlemZ6QLA3RQ","width":336,"height":188}]},"overlays":[{"thumbnailOverlayBadgeViewModel":{"thumbnailBadges":[{"thumbnailBadgeViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAYLISTS"}}]},"text":"10 video's","badgeStyle":"THUMBNAIL_OVERLAY_BADGE_STYLE_DEFAULT","backgroundColor":{"lightTheme":992550,"darkTheme":992550}}}],"position":"THUMBNAIL_OVERLAY_BADGE_POSITION_BOTTOM_END"}},{"thumbnailHoverOverlayViewModel":{"icon":{"sources":[{"clientResource":{"imageName":"PLAY_ALL"}}]},"text":{"content":"Alles afspelen","styleRuns":[{"startIndex":0,"length":14}]},"style":"THUMBNAIL_HOVER_OVERLAY_STYLE_COVER"}}],"backgroundColor":{"lightTheme":1719871,"darkTheme":1719871}}},"stackColor":{"lightTheme":7051161,"darkTheme":7375756}}},"metadata":{"lockupMetadataViewModel":{"title":{"content":"EE Circuits"},"metadata":{"contentMetadataViewModel":{"metadataRows":[{"metadataParts":[{"text":{"content":"thedoubleeguy
#############################