There's a multitude of emulsions available, even after a lot of them have been discontinued. Each one reacts a little differently to light, both in terms of requiring more or less light, but also in terms of reacting in various unique ways to light.
Kodak IR film is gone, for real this time
Kodak announced that they are dropping EPR, EPN, and HIE in december.
Stockpile Stewardship
I talk a little about my stockpile of discontinued film.
Wine Country
Wine country, with green grass and a blue sky with clouds and a row of grapevines along a hillside