Detail of Lightrap phosphorescent cloth  
  Installing Lightrap for the exhibition  
  Mechanism allow Lightrap to flip from phosphorescent side, to normal side  
  Manual mechanism  
  The phosphorescent cloth, at night  
  1:5 scale phosphorescent Lightrap  

  Video © Laurent Milon, Ensci 2007 
  "Lightrap" ceiling
© Laurent Milon, Ensci 2008
Lightrap was made during a workshop aiming at conceiving an appartment without using petrol.
Lightrap is a phosphorescent ceiling that loads during the day, allowing a 12h long free luminosity during the night. Pigments used for its cloth are non toxic and stronger than ordinary phosphorescent pigments.
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