What is Nostr?
Skulls in the Stars /
npub19nx…lzgs
2024-05-06 03:25:51

Skulls in the Stars on Nostr: Polaroid film is made of crystals of herapathite. How was herapathite discovered? ...

Polaroid film is made of crystals of herapathite. How was herapathite discovered? "Herapathite crystals were first prepared when an assistant to the toxicologist Herapath mixed iodine with the urine of a quinine-fed dog."
Author Public Key
npub19nxkq0q2dmxpcxkw9s5qapwaqrlfzs6aggxy0elcnh0g8cyumedsfalzgs