https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181004_01_4K-Science_02_preview.mp4 Air Bubbles Entering Tank Air bubbles moving from a glass tube into a tank. analysisbiologybubbleschemistchemistrydiscoveryequipmentexperimentglasslablaboratoryresearchsciencescientifictransparent