SPACE-Designing the Process: Reaction Field

SPACE November 2025 (No. 696)

Reaction Field (2025), a large piece of public furniture installed in a rooftop garden in the city centre, is a curvilinear structure that diverges and expands from its core, offering an experimental exploration of new spatial patterns in public space. The central circular structure functions as a device that emphasises centrality, while the curves branching out from it extend and vary within a set of defined rules. This curvilinear pattern is based on the reaction–diffusion system proposed by the British mathematician Alan Turing. The theory mathematically models the combination of simple chemical reactions and diffusion processes, explaining the spontaneous formation of ordered patterns such as animal markings or plant growth forms. Reaction Field translate...

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Architect

Yong Ju Lee Architecture (Yong Ju Lee)

Design team

Lee Seonwoo, Hong Seongmin, Oh Dachan

Location

51, Godeokbizvalley-ro, Gangdong-gu, Seoul, Korea

Programme

public installation / furniture

Building area

380㎡

Height

2.5m

Construction

Sunjin Plus

Design period

July – Dec. 2023

Construction period

Aug. 2024 – Jan. 2025

Cost

160 million KRW

Client

The Ton

Yong Ju Lee

Yong Ju Lee is an architect who pursues experimentation across all layers of space. His works, spanning diverse scales and media, seek to provoke and inspire everyday life. He has exhibited at the National Museum of Modern and Contemporary Art, Korea (MMCA), Museum of Modern Art (MoMA), and the Venice Biennale, and received the Korea Public Architecture Award, iF Design Award, and Architectural Record’s Design Vanguard. He studied architecture at Yonsei University and Columbia University, and is currently an assistant professor at Seoul National University of Science and Technology, leading the Robotic Fabrication Studio. He published Constructing Thought (2024).