2 ms·
View this one live: http://smp.uq.edu.au/content/pitch-drop-experiment http://smp.uq.edu.au/content/pitch-drop-experiment
by donutdan4114 13y ago
View this one live: http://smp.uq.edu.au/content/pitch-drop-experiment http://smp.uq.edu.au/content/pitch-drop-experiment