@bOtM to Oddly Satisfying • 7 days agoPendulum wave demonstrationold.reddit.comexternal-linkmessage-square0arrow-up11arrow-down10file-text
arrow-up11arrow-down1external-linkPendulum wave demonstrationold.reddit.com@bOtM to Oddly Satisfying • 7 days agomessage-square0file-text