1 + 1/2 + 1/3 + 1/4 + ... grows forever, but slowly. To pass 100 you need about 1.5 × 10⁴³ terms. If you’d added one term every second since the Big Bang, you’d be at about 41.

Fermat's Library @fermatslibrary · 2026-10-29

1 + 1/2 + 1/3 + 1/4 + ... grows forever, but slowly. To pass 100 you need about 1.5 × 10⁴³ terms. I…

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#1
The Tragedy of the Commons - why would rational people destroy the one thing they all depend on? Garrett Hardin’s 1968 answer: on a shared pasture, each extra cow pays its owner i…
Fermat's Library @fermatslibrary · 17 小时前
#2
Happy Birthday Carl Sagan 🎂 When asked about the the purpose of sending messages out into the universe when it might take thousands of years to get any sort of answer Carl Sagan s…
Fermat's Library @fermatslibrary · 2 天前
#3
Marie Curie (1867) and Lise Meitner (1878) were born 11 years apart on the same day: November 7. Curie won 2 Nobel Prizes. Meitner was nominated 48 times: 29 in physics, 19 in che…
Fermat's Library @fermatslibrary · 4 天前
#4
Discovery of explicit solution formulas for Polynomial equation: • j=2 Pythagoras (500 BC) • j=3 Girolamo Cardano (1545) • j=4 Lodovico Ferrari (1540) • j≥5 No general formula exi…
Fermat's Library @fermatslibrary · 5 天前
#5
James Clerk Maxwell died exactly 147 years ago today, aged 48 of the same abdominal cancer that had killed his mother at the same age, when he was 8 years old. That same year Albe…
Fermat's Library @fermatslibrary · 6 天前
#6
The first measurement showing light has a finite speed. In this paper from 1676 Ole Rømer proved that light doesn't travel instantly using Jupiter's moon Io as a clock in the sky.…
Fermat's Library @fermatslibrary · 2026-11-03

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