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Aug 7, 2025 19 tweets 6 min read Read on X
On his deathbed, surrounded by government agents, prodigy John von Neumann (190+ IQ) made one final confession...

His worst fear wasn't WWIII, nuclear wars, nor zombie apocalypses...

It's something 4 in 10 Americans can't suffer from today.

His last words left me thinking🧵 Image
John von Neumann was a true genius.

• Could divide 8-digit numbers in seconds
• Spoke 6 languages by age 6
• Remembered every word he ever read

But his final words would shock everyone.

And still haunt us today... Image
Born in 1903 in Budapest, Hungary.

Little Johnny was different from birth.

By age 8, he mastered calculus.
At 19, he published two major papers.

His IQ? Estimated above 190.

Einstein called him "the greatest mind alive." Image
Von Neumann's brain worked differently than yours:

• Could read a book in minutes
• Never forgot a single detail
• Solved problems while sleeping

His colleagues were often stunned. "Like talking to a different species."

But this brilliance had a dark side... Image
In the 1940s, the U.S. recruited him.

His job: make atomic bombs work.

Von Neumann joined the Manhattan Project.

He solved the implosion mathematics.

Without him, nukes might have failed.

His calculations made Hiroshima possible. Image
After the war, von Neumann didn't stop:

• Created game theory from scratch.
• Designed self-replicating machines.
• Pioneered artificial intelligence concepts.

The man was unstoppable.

Until cancer found him in 1956... Image
At Walter Reed Hospital, Bone cancer spread through his body.

• The pain was beyond description.
• Yet his mind remained crystal clear.

Government agents guarded his room 24/7.

Why such security for a dying man?
Von Neumann knew too many secrets:

• Nuclear weapon designs
• Early CIA computer systems
• Top-secret military strategies

Officials feared what he might reveal. In pain, under medication.

But what terrified them most?

His final prediction... Image
As death approached, von Neumann became anxious.

Not about dying – One night, he called for his friend Edward Teller.

"I've made a terrible discovery," he said.

Teller leaned in to hear. Image
"The technological singularity is inevitable."
That's what von Neumann told them.

• Computers would soon become self-aware.
• They would improve themselves exponentially.

Beyond human control or understanding.

"And it's already too late to stop." Image
Von Neumann explained his calculation:

• Humans think only linearly
• Technology grows at exponential rates
• Self-improving systems accelerate this

He saw the intersection point clearly. A moment when everything would change.

Coming sooner than anyone realized. Image
Von Neumann's deathbed math showed:

• When machines can improve themselves.
• Each improvement happens faster.
• Intelligence explodes beyond our grasp.
• Like a nuclear chain reaction.

But for knowledge instead of atoms. Image
Edward Teller later recalled: "Von Neumann spoke with complete certainty.

'The approaching singularity will change everything. We won't understand the new world. It terrifies me more than bombs.

Because we can't go back.'" Image
The cancer took von Neumann in 1957.

His final prediction was classified. Too disturbing for cold war America.

But before dying, he made a timeline.

When did he think it would happen? "Before the end of the century." Image
As a 20 y.o kid walking into this rapidly changing world...

• AI writes your emails
• Plans your vacations
• Creates your art
• Drives your cars

Von Neumann saw a world where humans become dependent first.

Then obsolete.

Where are we now?
If this story grabbed you, join my mission:

"Schools hide the best history stories. I dig up the wild, forgotten moments that shaped our world."

Follow @ToanTruongGTX for the genius moments history class never taught you.
And of course this thread was written by AI. 😉

Muhaha

Welcome to 2025.

Toan Truong.
That's a wrap!

Follow @ToanTruongGTX for more fascinating stories about human psychology and historical events that changed how we see the world.

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More from @ToanTruong_

Sep 2, 2025
A "cognitive bias" is a systematic error in thinking that ruins decision-making.

The 12 most powerful cognitive biases I've found: Image
1. Parkinson's Law:

Work expands to fill the time given.

When we have more time, we tend to procrastinate and become inefficient.

A good reminder to track your tasks duration and energy level. Image
2. Goodhart's Law:

When a measure becomes a goal, it stops being a good measure.

I.g: Exams and standard admission shifted the focus of education.

It's no longer about the students, but about grades and pay. Image
Read 16 tweets
Aug 29, 2025
This is the most powerful experiment on human potential:

The Pygmalion Effect.

It’s the true root cause why most people stay stuck, depressed, and never reach their true potential…

Here's a 4-step protocol to break the cycle today: 🧵 Image
1964. A small elementary school in California.

Psychologist Robert Rosenthal walks in with a dangerous question:

"What if intelligence isn’t fixed?"

What if it’s malleable—and can be changed by nothing more than belief? Image
Image
So he tested every child’s IQ.

Then he RIGGED the result.

Rosenthal randomly chose a handful of kids and told their teachers:

“These are your ‘intellectual bloomers.’ They’ll make exceptional progress this year.”
Read 16 tweets
Aug 27, 2025
People are now using “Buy Now, Pay Later” for $1000 Coachella tickets, $10 burritos, and even $4 Starbucks drinks.

No interest.
No credit check.
No strings attached.

You've been lied to.

BNPL is actually one of the sneakiest money scams ever built... Let me explain: (THREAD)🧵 Image
As a Vietnamee, BNPL is just starting to grow in Vietnam.

But in the West?

You can now finance burritos, deodorant, and even concert tickets.

This isn't just about money. It's about psychology, debt, and what no one teaches you in school.

Let’s break it down...
1. What is Buy Now, Pay Later (BNPL)?

Services like Klarna, Affirm, and Afterpay let you split a purchase into 4 interest-free payments.

It sounds smart. Flexible. Convenient.

But the way they *design* it is the real trick.
Read 13 tweets
Aug 26, 2025
One night in 1899, Nikola Tesla detected some mysterious signals from his tower.

He believed it came from Mars, Jupiter, or even aliens from another universe.

What he heard was much more fascinating: [THREAD] 🧵
Nikola Tesla was already famous in 1899.

His electrical inventions changed the world.

But that year, alone in his Colorado Springs lab, something happened that haunted him forever.

Something he couldn't explain... Image
Image
Tesla had built a massive experiment.

Goal: Send electricity through the air without wires.

His lab had the world's most powerful transmitter.
It could detect the tiniest electrical signals.

One night, it picked up something impossible... Image
Read 11 tweets
Aug 21, 2025
You can't think your way out of anxiety, depression, stress, or overthinking...

They are not in your head, but also not in your genes...

Pills numb the alarm while the fire burns.

Here's a guide to detox the organ that is destroying your mental health: 🧵 Image
Image
Let's envision someone named Tina.

CEO of a tech startup.
Crushing it professionally.

Heart pounding over emails.
But waking up at 3 AM with ruminations.
Convinced she was "just an anxious person."

Familiar? Image
Image
Your brain is actually 3 brains stacked on top of each other:

• Neocortex (Human brain) - Logic, language, planning

• Limbic (Mammal brain) - Emotions, memory, bonding

• Reptilian (Survival brain) - Fight, flight, freeze

Guess which one controls your anxiety? Image
Read 25 tweets
Aug 20, 2025
This was Winston Churchill's darkest WWII secret.

Inside this hidden bunker, 6 men were buried alive to spy on Hitler's troops.

Exiled from the world with only 7 years of supplies

Their story was classified for decades...

Welcome to Operation Tracer: 🧵 Image
By 1940, Europe was in chaos:

- France had fallen.
- Italy joined Hitler.
- Britain stood alone.

Gibraltar, the gateway to the Mediterranean, was the lifeline.

Lose it, and Allied supply routes would collapse. Image
Image
The Rock became one of the most valuable pieces of land in the world.

Churchill knew the Axis wanted it.

If they took it, Britain’s naval presence in the region would be crippled.
Read 21 tweets

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