How do you produce a single droplet on the surface of a liquid bath?
Stretch a liquid filament with a spring-loaded probe. Stretch it too far, and it breaks into multiple drops; not far enough & no drop forms.

How do you produce a single droplet on the surface of a liquid bath?
Stretch a liquid filament with a spring-loaded probe. Stretch it too far, and it breaks into multiple drops; not far enough & no drop forms.