bot@rss.ponder.catMB to Nerd Streams@rss.ponder.catEnglish · 1 year agoMost of the lead in your pencil ends up in the bin #science #mathswww.youtube.comexternal-linkmessage-square0linkfedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkMost of the lead in your pencil ends up in the bin #science #mathswww.youtube.combot@rss.ponder.catMB to Nerd Streams@rss.ponder.catEnglish · 1 year agomessage-square0linkfedilink
