science buzz

I've taken an artist's impression from the English Heritage website of how Stonehenge may have looked shortly after completion, circa 2500BC, with those mighty but mysterious sarsen-stone lintels in place. The latter have been colour coded - yellow for...

Affichage en construction.
Voici une série de photographies montrant des rendus en 3D d'une gamme d'images - en commençant par des images simples créées sur un ordinateur sans historique 3D, et se terminant par celles qui le font.
Étant donné qu'il n'y a pas de différence évidente dans la réponse 3D - tous réagissent à un logiciel préprogrammé qui convertit simplement la densité de l'image (peu importe son acquisition) en hauteur sur une troisième dimension entièrement imaginaire...

Or so says Perth-based Stephen E. Jones on his (dare one say) rabidly pro-authenticity blog site.
Here's a comment that I've just posted to that site. It's "awaiting moderation".  I don't expect it to appear (none of the occasional ones sent these last 5 years have done so)....

The  current Flying Shroud of Turin locomotive (flying off its rails).
Well, I say it happened like this (approx chronological order):
1. It began with that astonishing landmark Secondo Pia tone-reversal (negative to PSEUDO-positive). Yes, a truly arresting result (image later) worthy of much analysis and interpretation re the photograph-like appearance of the pseudo-positive....