Why do good floppy disks go bad?

[ben]

On 4/6/2016 8:22 PM, Fred Cisin wrote:
> Wear happens.  Particularly on directory tracks, or where you encounter
> the snake in Adventure.
>
> But, that doesn't account for the loss of data over time.
>
> Entropy: Could the rust on the cookie be de-oxidizing, and turning back
> into non-oxidized ferrous compounds?  :-)
>
>
> How long were they supposed to last?
> Will they honor those "lifetime guarantee"s?

You mean like the ones on Radio Shack Vacuum Tubes,a year or so before 
they all vanished from the face of the Earth.
Ben.