This is a most succinct and accurate explanation. Thank you - I'm sure I will use it in future conversations. It serves as an answer to the "street light argu

This is a most succinct and accurate explanation. Thank you - I'm sure I will use it in future conversations. It serves as an answer to the "street light argument" - https://en.wikipedia.org/wiki/Streetlight_effect https://en.wikipedia.org/wiki/Streetlight_effect That said, have you every thought of how alien intelligence might look that does not adhere to the above chemistries? There are some great science fiction speculations - life living in the ultra-high-gravity "crust" of a neutron star [0], intelligent Turing machines running in the convective layers of brown dwarf stars[1], just plain bootstrapping an AI environment on the substrate of the Universe.[2] [0] Robert L. Foward, Alystaire Reynolds [1] Stephen Baxter [2] Greg Egan