https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181004_01_4K-Science_01_preview.mp4 Air Bubbles Moving Up Tube Air bubbles moving slowly up a glass tube. analysisbiologybubbleschemistchemistrydiscoveryequipmentexperimentglasslablaboratoryresearchsciencescientifictransparent