TechStuffIn the 19th century, some enterprising and unscrupulous photographers convinced vulnerable people that they had developed (pun intended) a way to photograph the spirits of the dearly departed. But what was really going on?
In the 19th century, some enterprising and unscrupulous photographers convinced vulnerable people that they had developed (pun intended) a way to photograph the spirits of the dearly departed. But what was really going on?
