Sulfa drugs and pocket calculators

"... I then visited your primitive era of sulfa drugs and pocket calculators ..."

"... I then visited your primitive era of sulfa drugs and pocket calculators ..."

Fiction cross-reference

• Crimes against mathematical constants
• Gnomon algorithm
• Gnomon Chronicles

Nonfiction cross-reference

• Time travel (nonfiction)

External links

• Post @ Twitter (23 May 2021)
• Comment @ Facebook (23 May 2021)