3 free macOS screensavers made from real U.S. congressional stock-trading disclosures. Each one is a scene from Capitol Alpha, a generative data piece in the stark black-and-white style of Ryoji Ikeda — pure black, monochrome white, monospace HUD, flat geometry, no glow. - The Ledger — disclosed trades scroll as a live register - Returns Spectrum — a spectrogram of trade timing and returns - Policy Proximity — committee jurisdiction mapped against the sectors members trade in