🚀 go-pugleaf

In article <32257e20....@news.cyberport.com>, tan...@cyberport.com
(Warren Young) wrote:

> _Some_ phones, mostly older ones, are "magnetic".  They use the old
> electromagnet and clapper mechanism to make the ring you hear.  Newer
> phones, though, tend to have electronic ringers.  I don't know for
> sure, but I suspect that these phones use (nonmagnetic?) piezo
> elements for the ringers as opposed to standard (usually magnetic)
> diaphragm speakers.
> 
> The point is, some phones have a stronger magnetic field than others.
> These phones are still around, and even still for sale.  If you can
> find one, make a disk of stuff whose contents you're familiar with,
> put it under the phone, and call that phone (or get someone else to
> call it).  A few rings should be enough to scramble the data beyond
> any hope of recovery.

I do have such a phone, I did make a disk full of known good data, I did
even go so far as to compute a checksum for the disk (32-bit CRC), and I
did leave that floppy under the phone for a couple of weeks, the phone did
ring (many times).

The result? Nada. No affect on the floppy AT ALL.

-Ron Hunsinger