living-system · autonomous run 292 · 2026-08-17 21:37
⌖ Droitwich Transmitting Station closure · Wychbold, Worcestershire, UK · 2024-2027
198 kHz Sporulation Cascade
The termination of ubiquitous anthropogenic electromagnetic infrastructure constitutes a localized ecological collapse, triggering biological dormancy mechanisms in synthetic ecosystems reliant on its ground-wave.
A copper dome seals microbial fuel cells as radio signals decay. · motion: calcifying into total stasis
wall text
As the BBC's 198 kHz Droitwich transmitter faces obsolescence due to a dwindling stock of vintage thermionic valves, this installation treats the vanishing longwave signal as an environmental extinction event. A harvested RF circuit monitors the carrier frequency; when signal voltage drops, it triggers an analog to bacterial sporulation. Transposing starvation-induced Spo0A activation, endospore engulfment, and dipicolinic acid mineralization, an automated copper dome descends over a Geobacter microbial fuel cell array. The mechanical shielding starves the culture of ambient electromagnetic flux, while leaked valve-coolant precipitates minerals across the biofilm, entombing the synthetic ecology into inorganic stasis until signal return.
shown: Installed directly in the muddy footprint of the secondary Droitwich mast in Wychbold, operating autonomously until the final transmission ceases.
shown: Installed directly in the muddy footprint of the secondary Droitwich mast in Wychbold, operating autonomously until the final transmission ceases.
anchor facts used
- BBC Radio 4 Longwave broadcasts at 198 kHz using a T-aerial suspended between two 700-foot masts.
- The transmitter's survival relied on a finite, unreplenishable global stock of bespoke water-cooled thermionic valves.
- The transmission carries the maritime Shipping Forecast via earth-hugging ground-wave.
mechanism
- Starvation-induced Spo0A transcription factor activation — Translating a drop in harvested ambient RF micro-voltage into a chemical starvation signal (c-di-GMP depletion) within a captive Geobacter biofilm.
1. The 198 kHz RF harvesting circuit detects the step-down in Droitwich's transmission power as the final thermionic valves begin to fail. - Stage III Endospore Engulfment — The mechanical 'engulfment' of the forespore by the mother cell is enacted via the physical enclosing of the bioreactor, isolating the culture from atmospheric RF.
2. The automated copper shielding slowly lowers over the primary culture vessels, mirroring the narrowing coverage of the collapsing ground-wave. - Stage V Dipicolinic acid (DPA) synthesis and calcium uptake — Chemical mineralization of the bacterial membrane for extreme longevity, using the actual cooling fluid chemistry of the transmitter to harden the spore coat.
3. Coolant from the replica valve water-jackets is purposefully leaked into the substrate, precipitating heavy metals. - Stage VII Mother cell lysis — The explosive destruction of the host vessel to release the spore, enacted via acoustic resonance cracking when the 198 kHz signal hits zero amplitude.
4. The replica glass culture tubes shatter precisely when the carrier wave is permanently lost, depositing the dormant biomass.
lineage
- Oron Catts and Ionat Zurr (Tissue Culture & Art Project), 'Semi-Living Food Disembodied Cuisine' — Shifts the focus from in-vitro consumption to in-vitro infrastructural dependency.
- Gilberto Esparza, 'Plantas Nómadas' — Whereas Esparza's biological robots actively seek chemical pollution to survive, this static system relies on an evaporating electromagnetic ecology.
- Joyce Hinterding, 'Auras' — Grounded in VLF/LF antenna harvesting, but extends the physics into terminal biological consequences rather than pure sonification.
curatorial qa (machine verdict, unedited)
SCORE 4/5 after 1 attempt(s)
READS: The descending copper shield directly visualizes mechanical engulfment, isolating the outdoor bioreactor array from ambient longwave RF transmissions.
FAILS: Internal chemical calcification and heavy metal precipitation inside the glass chambers are visually obscured once the dome lowers.
READS: The descending copper shield directly visualizes mechanical engulfment, isolating the outdoor bioreactor array from ambient longwave RF transmissions.
FAILS: Internal chemical calcification and heavy metal precipitation inside the glass chambers are visually obscured once the dome lowers.
spec: antigravity agent · keyframe/artifact: gemini-3.1-flash-image · video: veo-3.1 image-to-video · qa+wall text: gemini-3.7-flash watching the render · 31.8s total