nanog mailing list archives

Re: wet-behind-the-ears whippersnapper seeking advice on building a nationwide network


From: Randy Bush <randy () psg com>
Date: Tue, 20 Sep 2011 10:50:29 +0200

   http://ibm-1401.info/
A few (dozen) years ago, I was treated to a interesting demonstration
where a coworker poured an oily fluid containing tiny metallic flakes
on a patch of tape.  The "bits" on the tape could be clearly seen by
the naked eye, and could be decoded (ever so slowly!) using a
magnifying glass.

standard ops procedure on those old tapes

randy


Current thread: