3.1M
UNhe most powerful weapon on Earth vs the biggest planet in our solar system. The result will shock you.
@universe.gone.wrong
#Plutonium Handling Risks
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CEIn 1945, as the world was still reeling from the bombings of Hiroshima and Nagasaki, scientists at Los Alamos were preparing a third plutonium core for another weapon.
But the war ended before it could be used.
This leftover sphere of plutonium—only 6.2 kg—was stored for experiments. It was meant to be just another piece of metal.
Instead, it became infamous as “The Demon Core.”
Why?
Because even without being inside a bomb, the core was already on the edge of critical mass.
A small change in its surroundings—just a few millimeters closer with a neutron-reflecting cover—could push it into a runaway chain reaction.
That danger became horrifyingly real in two separate accidents:
🔹 Harry Daghlian (1945): While stacking tungsten carbide bricks around the core by hand, he accidentally dropped one too many. The core went supercritical for an instant. Harry received a lethal dose of radiation and died weeks later.
🔹 Louis Slotin (1946): Demonstrating the same core, Slotin used a screwdriver to keep a neutron reflector shell slightly open—only a few millimeters apart. The screwdriver slipped. The shells closed, the core went critical again, releasing a blue flash of Cherenkov radiation. Slotin died nine days later.
Two brilliant physicists lost their lives. The core earned its ominous nickname.
It was finally melted down in 1946 and used for other weapons—ending its haunting chapter in history.
⚛️ The Demon Core reminds us that the line between discovery and disaster in nuclear science can be frighteningly thin.
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👉 What do you think—should we keep such stories alive to remind us of the cost of scientific progress?
Comment your thoughts below ⬇️
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🌌 Follow @celestial__nexus for more untold stories of the universe where science, history, and human curiosity collide.
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#quantumphysics #quantum #science #scienceeducation #physics #nuclear #radiation #nasa #isro #cosmos #celestial #esa #peakmalecontent #deadly #experiment
@celestial__nexus
256.8K
UNThey trained for every emergency. Solar flares. Depressurization. Equipment failure. Nobody trained them for something climbing out of the planet toward them. It broke through the cloud layer and kept rising. The shadow it cast below covered an entire region. The crew didn’t radio mission control. There was nothing in the manual for this. They just held on to the station and watched it come.
@universe_wonders__
26.3K
SCTICKLING THE DRAGON'S TAIL
This is the story of the Demon Core, a 6.2-kilogram sphere of plutonium that killed two scientists at Los Alamos.
THE EXPERIMENT:
Scientists wanted to know how close the core could get to going "critical" (starting a nuclear chain reaction) without actually detonating. They did this by surrounding it with neutron reflectors.
THE DANGER:
Physicist Louis Slotin was famous for his reckless method. He would lower a beryllium shell over the core, holding it open with nothing but a flathead screwdriver.
THE ACCIDENT:
On May 21, 1946, the screwdriver slipped. The shell closed.
THE FLASH:
Instantly, the room was bathed in a flash of blue light. The core had gone supercritical. Slotin reacted instantly, flipping the shell off with his bare hand and stopping the reaction.
THE COST:
He saved his colleagues, but he had absorbed a lethal dose of radiation in less than a second. He told his coworkers, "Well, that does it," and died nine days later.
It is a chilling example of how a simple slip of the hand can change history.
#DemonCore #ManhattanProject #ScienceHistory #Physics #Radiation #LouisSlotin #Oppenheimer #Nuclear #ReelsScience
@science_space_tamil
6.9K
FAPlutonium heats itself to 40°C from pure radioactivity. A microscopic dust particle in your lungs causes cancer. Critical mass is just 10 kilograms, so they work with tiny portions. This sphere contains energy equal to 20,000 tons of TNT.
One wrong move with that screwdriver and half the lab vaporizes in milliseconds.
Video author unknown. If you are the author (or rights holder), please contact us.
#facts #didyouknow #science #physics #radiation #danger #plutonium
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@factorevo_
3.4M
_SThis is the chilling story of the so-called "demon core" of plutonium, which twice caused the death of scientists during the Manhattan Project. In August 1945, physicist Harry Daglian accidentally dropped a reflective brick onto the plutonium sphere, triggering a supercritical reaction and receiving a lethal dose of radiation, from which he died several weeks later. A year later, in May 1946, Louis Slotin was conducting a demonstration experiment with the same core.
While holding beryllium hemispheres apart with a screwdriver to prevent them from fully closing he allowed the tool to slip in a fatal mistake. An instantaneous supercritical reaction occurred, accompanied by a bright blue flash. Slotin, receiving a massive dose of radiation, died nine days later. These two tragedies permanently ended hands-on experiments with critical masses, vividly demonstrating the fragile and deadly edge of nuclear research.
@_stellarzone
19.2M
EPThe experiment began as a simple demonstration. In 1946, at the Los Alamos laboratory, physicist Louis Slotin was showing colleagues how close a plutonium core could be brought to critical mass.
The procedure was extremely dangerous and had even earned an unofficial nickname: “tickling the dragon’s tail.” Slotin held two beryllium hemispheres over the active core, using an ordinary screwdriver instead of proper safety mechanisms. Everything depended on precise hand control.
At one moment, the screwdriver slipped. The hemispheres snapped shut, and a burst of lethal radiation occurred.
Slotin instantly realized what had happened. He quickly separated the hemispheres, stopping the reaction and saving the others in the room—but he himself had already received a fatal dose of radiation.
#History
#NuclearPhysics
#ScienceHistory
#LouisSlotin
@epic_history_events
1.5M
AIWhat are they hiding from us? Musk inspects the damage to Orion after an extreme overload.
Officially, the mission is a success. But look at Elon’s face when he saw the capsule up close. The heat shield barely held up. What were they running away from in orbit? 👇
#orion #NASA #Orion #SpaceX #Conspiracy aiwowai
@aiwowai
327.1K
SYThis Tiny Particle Can Kill You
Polonium-210: invisible, silent, and lethal.
A substance so small it looks like nothing—
yet powerful enough to shut down the human body from within.
This is the story behind one of the most dangerous elements ever used.
#science #polonium #radiation #history #SystemAutopsy radiation science toxic dangerous physics chemistry nuclear history darkscience documentary shorts systemautopsy forbiddentechnology learn viral educational mystery realstoryShorts polonium 210, radioactive poison, alexander litvinenko, radiation poisoning, deadly elements, nuclear science, toxic materials, alpha radiation, cold war poison, dangerous substances, science documentary, educational shorts
@systemautopsy
18.2K
PUThe Demon Core was a small plutonium sphere left over from the Manhattan Project, so unstable that a single mistake could trigger a nuclear chain reaction.
In 1945, physicist Harry Daghlian dropped a neutron reflector near it, releasing a deadly burst of radiation. He died weeks later.
A year later, Louis Slotin used a screwdriver to separate the same core’s metal halves. It slipped. The core went critical. He died in nine days.
Both accidents revealed how fragile nuclear stability really is, how a single tool, a few millimeters, can decide between control and catastrophe.
🎥 Credit: @lord_kaleb | @gravitonomy
👉 Follow @pulsatai for the hidden science behind history’s most dangerous experiments.
#nuclearphysics #sciencefacts #atomicenergy #manhattanproject #demoncore #physics #engineeringmarvel #radiation #atomicbomb #historyofscience #scienceexplained #dangerousscience
@pulsatai
36.4K
INThe “Demon Core” - a 14-pound sphere of plutonium made for the third atomic bomb in 1945.
Japan surrendered before they used it.
So scientists started testing it.
Accident #1 (1945): Physicist Harry Daghlian dropped a brick on it by mistake. The core went critical. He pulled the brick off fast, but the radiation dose was lethal. Dead in 25 days.
Accident #2 (1946): Physicist Louis Slotin held two metal shells apart with a screwdriver. The screwdriver slipped. The shells closed. Blue flash.
Slotin knocked them apart with his bare hands to save everyone else in the room.
Dead in 9 days.
After that, they called it the “Demon Core.”
They melted it down.
The experiments stopped.
Scientists had been calling them “tickling the dragon’s tail.”
The dragon won.
➕ Comment ‘BONUS’ and I’ll send you a free Beginners Guide + 350 Prompt Bible to Master AI 🦾
#sciencehistory #nuclearphysics #manhattanproject
@intalogy
13
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