# Seven Seals ![[Assets/a52f10d11ed9f513d16a0cb068af743d_MD5.jpg]] ## 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))