Bubble

A Bubble may take the form of:

a pocket of air or gas caught within a solid or liquid
a spherical liquid film (often of surfactant, occasionally of bubble gum) filled with air or gas
a metaphor for isolation (e.g. 'living in a bubble')
a (normally) transparent dome

To blow the best surfactant bubble, first mix the perfect surfactant solution:

1 part of washing-up detergent
2 parts of glycerine
3 parts of water


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