TAILIEUCHUNG - Smart.Materials.and.New.Technologies Part 2

Tham khảo tài liệu ' part 2', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Smart Materials and New Technologies influenced many architects and engineers into pursuing the super facade as evidenced by the burgeoning use of doubleskin systems. This pursuit has also led to a quest for a supermaterial that can integrate together the many diverse functions required by the newly complex facade. Aerogel has emerged as one of these new dream materials for architects it insulates well yet still transmits light it is extremely lightweight yet can maintain its shape. Many national energy agencies are counting on aerogel to be a linchpin for their future building energy conservation strategies notwithstanding its prohibitive cost micro-structural brittleness and the problematic of its high insulating value which is only advantageous for part of the year and can be quite detrimental at other times. The phenomenological boundary Missing from many of these efforts is the understanding of how boundaries physically behave. The definition of boundary that people typically accept is one similar to that offered by the Oxford English Dictionary a real or notional line marking the limits of an area. As such the boundary is static and defined and its requirement for legibility marking prescribes that it is a tangible barrier - thus a visual artifact. For physicists however the boundary is not a thing but an action. Environments are understood as energy fields and the boundary operates as the transitional zone between different states of an energy field. As such it is a place of change as an environment s energy field transitions from a high-energy to low-energy state or from one form of energy to another. Boundaries are therefore by definition active zones of mediation rather than of delineation. We can t see them nor can we draw them as known objects fixed to a location. Breaking the paradigm of the hegemonic material as visual artifact requires that we invert our thinking rather than simply visualizing the end result we need to imagine the transformative

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