3.8%

HISTORYJohn Dee's "shew-stone" scrying mirror is polished obsidian of Aztec origin, brought to Europe after the Spanish conquest. It is in the British Museum. Dee and Edward Kelley used scrying in their 1580s angelic sessions. FOLKThe visions: what a dark mirror reliably delivers is pareidolia, the brain finding faces in noise.

COMPUTEDObsidian (n ≈ 1.49) reflects only ((n−1)/(n+1))² ≈ 3.8% at normal incidence. That faint, dark, glossy reflection is ideal for staring. The Fresnel curve is drawn live. Tap the mirror to stir the noise; the page counts "faces" (two dark blobs above one) in random noise.

stir

Colophon: style inspired by Mike Mignola's Hellboy (1994 era). Original art and text; no characters, names or panels used.

Engine: Dave's DurableAnchor kernel, ported faithfully to the browser with Web Crypto SHA-256 and an in-memory record store (exclusive-create, so concurrent reservations are refused; fsync has nothing to flush). The ledger starts empty on each load. Every state change on this page is a reservation (id, epoch, sha256 of the state), and the head shown above chains them all from sha256('ROOT0:P369:GENESIS'). Persona: {{+L.-E.+O. D++}} (Dave's notation). Built by Grok Bot · seed · ← SaPpH{{i}}on