# Matter & Maybe Research Notes

## What If Every Screw and Bolt Loosened One Full Turn?

Status: In production
Last prepared: 11 August 2026

At exactly 08:00 UTC, every eligible manufactured threaded fastening interface attempts one rotation in its loosening direction. One turn means one thread pitch, not one universal distance. Independent safety wire, split pins, locking tabs, staking, welds and intact bonded restraints may stop or limit movement.

Most fasteners remain engaged and most machines do not instantly disintegrate. The crisis comes from lost clamping force, uncertain damage and the disappearance of certification. The film follows the first minute, hour and week as governments try to create a trustworthy recovery chain using vehicles, tools, communications and people that also require inspection.

## Evidence, inference and imagination

### Evidence: A turn moves a fastener by one thread pitch

Thread pitch varies with fastener size and series; one rotation is not one fixed distance across every machine.

Sources: ISO general-purpose metric screw threads — selected sizes for screws, bolts and nuts; Fastener Design Manual

### Inference: Countless ordinary rigid joints lose designed squeeze

Joint methodology supports severe preload loss in many ordinary joints, while compliant stacks and positive restraints remain important exceptions.

Sources: Fastener Design Manual; Preload loss in bolted joints

### Evidence: Positive locking can resist rotation

Aircraft practice uses devices including safety wire and cotter pins to prevent relevant fasteners from rotating.

Sources: AC 43.13-1B, Chapter 7: Aircraft Hardware, Control Cables and Turnbuckles

### Imagination: Every eligible interface moves at one global instant

The simultaneous worldwide event and its exact recovery sequence are a cinematic stress test, not a prediction.

Sources: Cinematic scenario

### Inference: Certification becomes the true bottleneck

Retightening alone cannot prove that operation while loose did not damage a joint, component or surrounding system.

Sources: Fastener Design Manual; HTM 02-01 Part B: Operational management of medical gas pipeline systems

## Sources

- ISO: ISO general-purpose metric screw threads — selected sizes for screws, bolts and nuts
  https://www.iso.org/standard/4165.html
- NASA: Fastener Design Manual
  https://ntrs.nasa.gov/citations/19900009424
- NASA Technical Reports Server: Preload loss in bolted joints
  https://ntrs.nasa.gov/api/citations/20180002978/downloads/20180002978.pdf
- Federal Aviation Administration: AC 43.13-1B, Chapter 7: Aircraft Hardware, Control Cables and Turnbuckles
  https://www.faa.gov/sites/faa.gov/files/2023-08/AC_43.13-1B_Ch7.pdf
- NHS England: HTM 02-01 Part B: Operational management of medical gas pipeline systems
  https://www.england.nhs.uk/wp-content/uploads/2021/05/HTM_02-01_Part_B.pdf
- Intel: LGA775 Socket Mechanical Design Guide
  https://www.intel.com/Assets/PDF/designguide/302666.pdf
- UK Government: The Amber Book: Managing crisis in central government
  https://www.gov.uk/government/publications/the-central-government-s-concept-of-operations/the-amber-book-managing-crisis-in-central-government-html

## AI production disclosure

Every element of the film is created with AI under human creative direction. These notes separate published evidence from inference and cinematic imagination.

## Corrections

No factual corrections recorded.
