https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181004_01_4K-Science_05_preview.mp4 Lab Equipment with Bubbles in Liquid Air bubbles in clear liquid in a laboratory set up. analysisbiologybubbleschemistchemistrydiscoveryequipmentexperimentglasslablaboratoryresearchsciencescientifictransparent