Recent Calculations

Latest calculations from the blog - Page 3

If a Global Flood Diluted the Ocean, Why Is It Still Salty? Three Models, and a Verdict for the Fish
Physics & Science · Cosmic & Scale

If a Global Flood Diluted the Ocean, Why Is It Still Salty? Three Models, and a Verdict for the Fish

If the whole world flooded with fresh water, why would the ocean still end up salty? We run three models side by side — a fixed-geography dilute-then-recover model, a Pangaea / catastrophic-tectonics back-calculation, and a third that asks whether the flood water itself was fresh or salty to begin with. None of the nine resulting scenarios leaves a salinity band where freshwater and saltwater fish could both survive.

#Noah's Ark#salinity#ocean#osmotic pressure#scripture#distillation
How Many People Are Awake Right Now? And When Are the Most People Awake?
Cosmic & Scale · Everyday Life

How Many People Are Awake Right Now? And When Are the Most People Awake?

By mapping 8.11 billion people across 26 UTC time zones and overlaying a sinusoidal sleep-wake model, we calculate the global wakefulness curve. The peak hits UTC 06:12 — London 6 a.m., New York 1 a.m. — at roughly 5.9 billion awake, because India and China together account for 39% of humanity. Even at the trough (UTC 18:12), 2.7 billion people are still up. The swing ratio is 2.2×.

#population#sleep#timezone#Fermi estimation#Earth#awake
The Math of Soulmates: 13,400× Harder Than the Lottery — or Basically Inevitable?
Everyday Life · Cosmic & Scale

The Math of Soulmates: 13,400× Harder Than the Lottery — or Basically Inevitable?

Two numbers, two completely opposite stories. The odds that one specific person out of 109 billion historical humans is your pre-assigned partner: about 13,400 times worse than winning the lottery. The realistic expected count of compatible people you'll actually meet in a lifetime: roughly 50 — with the probability of meeting at least one rounding to 1.000.

#soulmate#probability#chance of meeting#destiny#Dunbar's number#statistics
400 Francs Alive, $82.5 Million Dead — What Was Van Gogh's Painting Actually Worth?
Money & Economy · Society & Law

400 Francs Alive, $82.5 Million Dead — What Was Van Gogh's Painting Actually Worth?

Van Gogh sold exactly one painting in his lifetime — The Red Vineyard, for 400 francs. A century later, Portrait of Dr. Gachet sold at Christie's for $82.5 million. Three conversion methods (gold standard, CPI, wage-indexed) put 400 francs somewhere between $3,300 and $11,600 in today's money, a 3.5× spread that is itself the point. The tragedy multiplier runs from 7,100× to 60,000×. Then the counterexample arrives: Picasso died with ~$750M, and Damien Hirst grossed $200M from a single auction — while still alive.

#Van Gogh#starving artist myth#art valuation#art price history#gold standard conversion#economic history