Capillary Foams

Image References

[1] https://upload.wikimedia.org/wikipedia/commons/thumb/f/f4/Foam_-_big.jpg/1200px-Foam_-_big.jpg

[2] https://upload.wikimedia.org/wikipedia/commons/e/e3/Sea_foam_at_Ocean_Beach_in_San_Francisco_-1_on_3-25-11.jpg

[3] Y. Zhang, H. Wang, S. H. Behrens, J. C. Meredith, Langmuir 2015, 31, 2669.