Re: Law of nature ...
NOTTAGE (n.)
Nottage is the collective name for things which you find a use for immediately after you've thrown them away.
For instance, your greenhouse has been cluttered up for years with a huge piece of cardboard and great fronds of gardening string. You at last decide to clear all this stuff out, and you burn it. Within twenty-four
hours you will urgently need to wrap a large parcel, and suddenly remember that luckily in your greenhouse there is some cardb...
(Douglas Adams, John Lloyd - The Meaning of Liff)