4 ms·
A pitch drop experiment started in 1927 is what I thought of when I read the title: https://en.wikipedia.org/wiki/Pitch_drop_experiment https://en.wikipedia.or
by swimfar 5y ago
A pitch drop experiment started in 1927 is what I thought of when I read the title:
https://en.wikipedia.org/wiki/Pitch_drop_experiment https://en.wikipedia.org/wiki/Pitch_drop_experiment