Ramsey Numbers: A Problem of Galactic Proportions
When aliens attack, do you do the math or fight back?
14 min readAug 24, 2021
Some numbers are hard to compute.
In a 1990 article for Scientific American, mathematicians Ronald Graham and Joel Spencer quoted Paul Erdös as saying:
Suppose aliens invade the earth and threaten to obliterate it in a year’s time unless…