At the center of a nuclear blast, death happens faster than the brain can process pain. The intense heat, pressure, and radiation occur in milliseconds, too fast for nerves to send warning signals. This makes nuclear weapons not just destructive, but terrifying in their efficiency.
Why Death Happens Instantly:
Blast Force. A nuclear detonation releases a shockwave traveling faster than the speed of sound. Near the center, the air pressure is strong enough to rupture lungs and flatten concrete buildings within milliseconds.
Extreme Heat. The fireball from a nuclear explosion can reach over 100 million degrees Celsius, hotter than the surface of the sun. Within the immediate area, it vaporizes the human body before pain signals ever reach the brain.
Radiation Exposure. Intense gamma rays and neutrons hit within the first second. Anyone near the center receives a lethal dose of radiation that damages DNA at the cellular level.
Why Pain Isn’t Felt:
The nervous system takes about 10 milliseconds to register pain. But the energy from the blast, heat, and radiation arrive in under 3 milliseconds. The body is gone before the brain knows something is wrong.
Why It Matters:
Even small nuclear bombs like those used in Hiroshima k*lled over 70,000 people instantly. Modern weapons are far stronger and would cause even more devastation. No medical system can respond fast enough or effectively enough in the aftermath of a full-scale detonation.
Understanding this isn’t about fear, it’s about clarity. Nuclear weapons act on a timescale beyond human perception. In those first moments, there is no pain, only silence, light, and then nothing. (Credit: Mr Science Tamil, FB)
You Might Survive a Nuclear Blast—if You Have the Right Shelter
The escalating risks of Russia’s war in Ukraine have led scientists to study the unthinkable and model the aftermath of nuclear detonation.
In a flash, a nuclear warhead unleashes the destructive power of hundreds of kilotons of TNT. The resulting inferno, and the blast wave that follows, instantly kill people directly in their path. But a new study finds that some people two to seven miles away could survive—if they’re lucky enough to find just the right kind of shelter. (Credit: WIRED)
ICAN
A single nuclear weapon can destroy a city and kill most of its people. Several nuclear explosions over modern cities would kill tens of millions of people. Casualties from a major nuclear war between the US and Russia would reach hundreds of millions. It takes around 10 seconds for the fireball from a nuclear explosion to reach its maximum size. A nuclear explosion releases vast amounts of energy in the form of blast, heat and radiation. An enormous shockwave reaches speeds of many hundreds of kilometres an hour. The blast kills people close to ground zero, and causes lung injuries, ear damage and internal bleeding further away. People sustain injuries from collapsing buildings and flying objects. Thermal radiation is so intense that almost everything close to ground zero is vaporized. The extreme heat causes severe burns and ignites fires over a large area, which coalesce into a giant firestorm. Even people in underground shelters face likely death due to a lack of oxygen and carbon monoxide poisoning.
Today’s announcement of “major combat operations in Iran” by Donald Trump, alongside Israel’s declaration of a pre-emptive attack, marks a deeply dangerous escalation. ICAN condemns the illegal attack by the two nuclear-armed states, US and Israel, on Iran. These attacks are totally irresponsible and risk provoking further escalation as well as increasing the danger of nuclear proliferation and use. The strikes are being justified in part by claims about Iran’s nuclear weapons programme, despite repeated assertions last June that it had been “obliterated,” and despite the fact that Iran is not currently assessed by international agencies, or even the United States, to have an active nuclear weapons programme. As stated by ICAN’s ED Melissa Parke, all military action must stop and the only real solution to prevent nuclear proliferation is with treaties like the NuclearBan Treaty. (Source: https://www.icanw.org/)
