Bubble emission at a nucleation site is capable of either initiating or terminating bubble emission at an adjacent nucleation site. The former ensues from the creation of a nucleus by a bubble which covers a potentially active nucleation site with its dry spot whereas the latter ensues from interference between a bubble and the nucleus standing at an active nucleation site. Photographic evidence of both these occurrences is presented. Site interaction is at least partly responsible for overlapping of areas of influence surrounding the nucleation sites; the extent of the influence exerted by the emission of bubbles at an active nucleation site is presented herein.

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