Nikos Anagnostou // It's almost compulsory: I need to try out every new web 2.0 service I come across.
This one I intend to use for digital trivialities: things I find and like but that fit none of the thematic areas I follow elsewhere.
For once, the light side of blogging ...
When a system becomes popular the greedy will game it and social media is no different. We should be worried when people with PR and advertising backgrounds or consulting firms are leading us in the ways of authenticity or integrity.
The programme says the fabric could have been hung over a frame in a blacked-out room and coated it with silver sulphate, a substance readily available in 15th century Italy which would have made it light-sensitive.
When the sun's rays passed through a lens in one of the walls, da Vinci’s facial shape would have been projected on to the material, creating a permanent image.
