... by assembling user defined membranes, a tunnel, the 'i-tube' offering the visitor to return at each moment to a consulted document as well as simply to voyage throughout the gravity-less space of information.The visitor can specify its research throughout the parameters of : space , time and theme influencing the geometry of each membrane between squared curved and angular. The membranes forms surfaces filtering requested information, its colours illustrate the precision of information - its permeability. This user-defined environment by the specific information it contains, just like genetic material, leads to the concept of the genetic code as a trace of the personalised lecture. Each assemblage of information forms a genetic code >>>