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 said: "There are a lot of things in society that only go one way. Socrates talks to us, we don’t

Fermat's Library @fermatslibrary · 2 天前

Happy Birthday Carl Sagan 🎂 When asked about the the purpose of sending messages out into the unive…

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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 · 15 小时前
#2
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 · 3 天前
#3
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 · 4 天前
#4
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
#5
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
#6
As of today Voyager 1 is one light-day from Earth - 25.9 billion km (16.1 billion miles) away. A radio signal now takes 24 hours to reach it. In ~50 years, it has traveled about 1…
Fermat's Library @fermatslibrary · 2026-11-02

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