Two touching or “kissing” cleaning soap bubbles can detach, slide alongside one another sideways or shift to the facet when they’re pushed collectively or pulled aside.
You by no means see a cleaning soap bubble kind within the form of a dice or a diamond as a result of it takes an excessive amount of vitality to maintain the bubble’s molecules certain into these shapes. Instead, bubbles are spherical which lets them preserve their floor space, and the vitality price of sustaining it, as small as doable whereas additionally enveloping as a lot fuel, like air, as they’ll. Friedrich Walzel on the University of Strasbourg in …
Source: www.newscientist.com