Good news about efforts to decarbonize steel:
https://www.sciencedirect.com/science/article/pii/S095965262300121X
https://avidandrew.com/getting-started-with-gear.html
Getting started with photography gear doesn't have to be as expensive as you think.
https://avidandrew.com/sigmoid-makes-dramatic-bw-simple.html
The new sigmoid module in darktable 4.2 makes it fast and easy to create dramatic black and white images
https://www.vice.com/en/article/7k8ava/scientists-propose-new-faster-method-of-space-travel
An interesting and more detailed version of a solar sail, but the "sail" wouldn't be a physical device but instead a sort of magnetic field
https://discuss.pixls.us/t/defaults-in-filmic-rgb/34294
An interesting discussion about some of the recent changes to filmic and how it affects saturation and contrast in the highlights
Another #darktable tutorial, this time on reducing chroma noise in water.