Topic: The Da Vinci (aka the Rosslyn) chapel echoes to sound of Saturn
This is one of the coolest things I've seen in a while. It's a father and son who deciphered some of the architecture at the Rossyln Chapel. They found out some of the carvings were actual music encoded into the stone of one of the archways!!
Read about their story and hear a sampling of the music at their website: http://www.tjmitchell.com/stuart/rosslyn.html
Or just watch the YouTube video of their experiments to recreate the musical symbols found at the chapel:
http://www.youtube.com/watch?v=cy2Dg-ncWoY