• Interest

• the emotion of blue — curiosity and exploration drive
• Wavelength: 450-495 nm
• evolutionary origin:: vast skies, water bodies, open horizons — the call to explore
• blue promotes calm focus, linked to safe resource-rich environments worth investigating

• in prism

  • signals exploration, discovery, unvisited territory, new knowledge
  • an unexplored particle glows blue. a new cyberlink destination: blue. the frontier of the cybergraph
  • interest is the emotion of search — the drive that powers the main loop