Fractal universe theories have been proposed. I don’t know many details myself, but just thought it was an example of how you can still have theoretically infinite detail within a finite system.

Fractals are infinite

Ferrock is an interesting new development. Stronger than concrete and absorbs CO2 when curing.

Would that give Ukraine a chance to join NATO? They weren’t allowed to join until hostilities were over iirc.

The human brain is a fickle thing. Most people experience optical illusions in the same way as each other. There’s just certain patterns that tend to trick our brains. The same problems occur with memories. Certain patterns of memories are misremembered in similar ways between different people. Nothing as mysterious as some people think.