# Seven Seals

## Metadata
- Author: [[Mark Goodwin]]
- Full Title: Seven Seals
- Category: #books
## Highlights
- “Fallout decays rapidly. Seven-ten Rule. For every sevenfold increase in time after detonation, there is a tenfold decrease in the radiation rate. After seven hours the radiation rate is only ten percent of the original and after forty-nine hours it is one percent…” ([Location 2761](https://readwise.io/to_kindle?action=open&asin=B0C9KYQ9P3&location=2761))