Kiesler’s Correalism relocates architectural reality from isolated objects to continuous interaction among humans, natural environments and technological environments. In Architecture as Biotechnique, visible form is treated as a temporary manifestation of interacting forces rather than as an autonomous reality. The later Correalist vocabulary reinforces this position through the “active object,” an object activated by perception, bodily engagement and environmental exchange. His Laboratory of Design Correlation tested these ideas through devices such as the Mobile Home Library and the Vision Machine, where furniture, media, physiology, movement and information became one experimental field. The operative contribution is correlation: architecture exists through the changing relation among organism, tool and environment. Continuity therefore becomes functional rather than merely formal. The wider bridge is to ecological systems, interaction design and embodied media. Kiesler’s importance for systems thinking lies in refusing a stable boundary between user and object: both are modified through their encounter, and architectural intelligence resides in the feedback-rich environment that makes this encounter possible.