Generate AM Radio Broadcasts With Your Monitor
tessellation writes: "Tempest for Eliza is a program that uses your computer monitor
to send out AM radio signals. You can then hear computer
generated music in your radio." Here is your big chance to disrupt free thinking radio programs in your neighborhood.
This isn't the first time something like this has appeared on slashdot. Way back in the day ('99) there was an article about a guy who was using the radio interference from his motherboard to do the same sort of thing.
I used to bulls-eye womp-rats in my pants
For many years during the cold war, the NSA had
been nervous about natural radiations emanating/broadcasted by VDTs and electrical wiring. So much so that many government sites were constructed with TEMPEST safeguards with thick concrete walls, wiremesh shielding and isolated electrical works. Even then, VDTs, type writers, phones, and other electrical devices were never placed close to walls adjacent to the outside of the enclosed space.
Read the Van Eck document.
http://www.shmoo.com/tempest/emr.pdf
Read the TEMPEST page
http://www.eskimo.com/~joelm/tempest.html