stackyFACTSThe incredibly sharp, absolutely haunting metallic portraits of the 1840s known as daguerreotypes came with a severely lethal occupational hazard.
The incredibly sharp, absolutely haunting metallic portraits of the 1840s known as daguerreotypes came with a severely lethal occupational hazard. To make the silver-plated copper sheet highly sensitive to light, photographers had to aggressively treat the metal by hovering it over a heated pool of highly toxic liquid mercury. Needless to say, early pioneer photographers did not boast incredibly long life expectancies.
Keep exploring facts in this topic.
Technology →STACKY FOR IPHONEKeep discovering with Stacky. Interesting facts in an app that is always within reach.
Cameras cannot capture bright skies and dark shadows simultaneously without ruining one or the other. To fix this, your device secretly snaps three identical…
Discover more
Family vacations used to be relived through the loud clacking of a rotating plastic donut. These classic viewing machines stored up to a hundred positive film…
Discover more
Procrastination has always been the mother of invention. In 1962, a group of MIT students secured access to a newly installed PDP-1 computer, which cost over…
Discover more
Those blocky, angular digital numbers you see on every modern microwave and alarm clock were actually patented over a century ago. We have spent an entire era…
Discover more
The heavily distorted, aggressively wide lens that defined 1990s skateboarding videos was actually invented for serious academic science. In the 1920s,…
Discover more
If you were hard of hearing in the 18th century, your best technological option was strapping a massive brass tuba to your skull. Ear trumpets didn't amplify…
Discover more