San Francisco sphere

Earliest known poster for Gigantic obsidian sphere.

The gigantic obsidian sphere is an unnatural feature of San Francisco Bay, known since at least 2022.

In the News

• 

  "All we have to sphere is sphere itself" is popular catch-phrase from the mid-1930s, widely but incorrectly attributed to Franklin D. Roosevelt.

Fiction cross-reference

• All we have to sphere is sphere itself
• Gnomon algorithm
• Gnomon Chronicles

Nonfiction cross-reference

• Gnomon Chronicles (nonfiction)

External links

• [ Post] @ Twitter (22 February 2023)

• San Francisco Bay @ Wikipedia

• https://twitter.com/GnomonChronicl1/status/1628475612724707329

• https://twitter.com/GnomonChronicl1/status/1562537872023990273