On 9 December  of 2005,  from the Lehman College, New York  to the Dept. of Physics of the University of Cagliari, Sardinia it was held an experimental video online exchange, in celebration of the centennial of Einstein’s relativity. It was made within the Erosions and Renaissance Show Act 4, Part 1 organized on December 10 by Plexus International at St.March Church in New York.

From Lehman College, Bronx, New York 11-12 AM (New York Time): George Chaikin,  Franco Meloni, Willoughby Sharp, documented by Pamela Seymour Smith.  With the collaboration of Joseph Middleton, Jerald Barnard.

From Dept. of Physics, University of Cagliari, Sardinia-Italy 5PM-6PM (SardinianTime):  Guido Pegna, with the collaboration of Roberto Habel. Special thanks to the Italian Navy for the cesium clocks. Digital Webspyders Project by  CRS4 (Center for Advanced Studies, Research and Development in Sardinia). Credits: Giuliano Murgia, President of Consorzio 21. (Project manager) Pietro Zanarini, CRS4 (Research manager) Andrea Mameli, CRS4 (Science communication) Carola Salis, CRS4 (Educational technology) Claudia Cabras (Design) Rossana Luisetti and Roberto De Azevedo, Tascusì (Dance performers).