After the success of the Daguerreotype, and as the interest in capturing and preserving images continuously rose, man sought to develop a way to produce multiple copies of the same image. And thus, the collodion process was born.
'Enjoy life while you can' - article from The Guardian (UK) Climate science maverick James Lovelock believes catastrophe is inevitable, carbon offsetting is a joke and ethical living a scam. So what would he do? By Decca Aitkenhead