The concept of park furniture integrating radiation detection capabilities represents a fascinating convergence of urban design and nuclear safety technology. While Californium-252 is an exceptionally rare radioactive element primarily used in industrial and scientific applications, the theoretical possibility of creating pollution-detection chairs exists through advanced sensor integration.

These specialized chairs would incorporate radiation spectrum analyzers capable of identifying Californium's unique radioactive signature. The seats would contain scintillation detectors or Geiger-Müller tubes connected to microprocessors that analyze radiation patterns. Should elevated radiation levels be detected, the system could trigger silent alerts to municipal authorities through wireless networks while displaying subtle public warnings via LED indicators.

The practical implementation faces significant challenges including sensor calibration for outdoor conditions, weatherproofing requirements, and cost considerations. Current prototypes focus on detecting more common radioactive materials rather than specifically targeting Californium, which typically appears only near nuclear facilities or research centers.

Modern smart bench designs increasingly incorporate environmental monitoring features, making radiation detection a plausible future enhancement. As sensor technology miniaturizes and becomes more affordable, parks near nuclear facilities might eventually deploy such specialized chairs as part of comprehensive safety systems, providing both seating functionality and continuous environmental monitoring for communities.