There is an art installation that uses cathode ray tubes: http://www.alpha60.de/art/love_letters/ http://www.alpha60.de/art/love_letters/ I guess that they pro

There is an art installation that uses cathode ray tubes: http://www.alpha60.de/art/love_letters/ http://www.alpha60.de/art/love_letters/ I guess that they probably don't use the tubes as the actual memory. But it looks extremely cool.