While structures which emulate foam-like arrangements of bubbles are lightweight and cheap to build, they are also remarkably stable. The bubbles which cover the iconic Beijing Aquatics Centre, for example, each have the same volume, but are arranged in a way which minimises the total area of the structure—optimising the building's construction. The mathematics underlying this behaviour is now well understood, but if the areas of the bubbles are not equal, the situation becomes more complicated. Ultimately, this makes it harder to make general statements about how the total surface area or, in 2-D, edge length, or 'perimeter', can be minimised to optimise structural stability.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/2SRKl6Q
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