Good news about efforts to decarbonize steel:
Getting started with photography gear doesn't have to be as expensive as you think.
The new sigmoid module in darktable 4.2 makes it fast and easy to create dramatic black and white images
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
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.