This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Robbie Andrew
robbieandrew.bsky.social
did:plc:xlope3oo4etb3hq5l3adqznx
Here's a dye called Nile blue. It doesn't take much to stop a great deal of visible light from passing through.
CO₂ acts in a different part of the spectrum (infra-red rather than visible), but basically does a similar thing.
2024-12-02T13:09:33.352Z