The Elephant’s Foot of the Chernobyl disaster

The Elephant's Foot of the Chernobyl disaster, 1986 (1)

A monster was born in the Chernobyl disaster. Lurking in the depths of the reactor ruins, the monster is one of the most dangerous things in the world. In the immediate aftermath of the meltdown, to spend 300 seconds in its presence would bring certain death. Even today, it radiates heat and death, though its power has weakened.

The Chernobyl disaster happened at 1:23 a.m. on April 26, 1986, when extremely hot nuclear fuel rods were lowered into cooling water, an immense amount of steam was created, which — because of the reactors’ design flaws — created more reactivity in the nuclear core of reactor number 4. The resultant power surge caused an immense explosion that detached the 1,000-ton plate covering the reactor core, releasing radiation into the atmosphere and cutting off the flow of coolant into the reactor. A few seconds later, a second explosion of even greater power than the first blew the reactor building apart and spewed burning graphite and other parts of the reactor core around the plant, starting a number of intense fires around the damaged reactor and reactor number 3, which was still operating at the time of the explosions.

The “Elephant’s Foot” is a solid mass made of melted nuclear fuel mixed with lots and lots of concrete, sand, and core sealing material that the fuel had melted through. It is located in a basement area under the original location of the core. In 1986 the radiation level on the ”Elephants Foot” was measured at 10,000 roentgens per hour, anyone who approached would have received a fatal dose in under a minute. After just 30 seconds of exposure, dizziness and fatigue will find you a week later. Two minutes of exposure and your cells will soon begin to hemorrhage; four minutes: vomiting, diarrhea, and fever. 300 seconds and you have two days to live.

After the nuclear fires were finally controlled, workers scrambled to contain the invisible dangers of the failed Chernobyl core. After six months of investigation, researchers discovered the Elephant’s Foot. With the help of a remote camera an intensely radioactive mass was found in the basement of Unit 4, more than two meters wide and weighing hundreds of tons, which they called “the elephant’s foot” for its wrinkled appearance. The concrete beneath the reactor was steaming hot, and was breached by solidified lava and spectacular unknown crystalline forms termed chernobylite. It was then concluded that there was no further risk of explosion.

In May of 1986, construction began on the sarcophagus—a gigantic concrete enclosure built to seal off the radiation from the outside world. But it’s not entirely sealed: The Chernobyl sarcophagus was outfitted with access points allowing researchers to observe the core and workers to enter. The contents of the Chernobyl tomb will remain radioactive for at least the next 100,000 years. All of the fire fighters or people who worked in building the sarcophagus died in around a year or so of the event.

Why all the photos from the Chernobyl disaster appear grainy? This isn’t because the photography technology at the time in Soviet Union was behind. Older photos looks better. It is because the radiation messes with the film.

How the pictures were taken since the radiation was at high levels? From a safe distance, workers – or “liquidators” as they were called- rigged up a crude wheeled camera contraption and pushed it towards the Elephant’s Foot. Careful examination determined that it wasn’t all nuclear fuel. In fact, the mass was comprised of only a small percentage of fuel; the rest was melted concrete, sand, and core shielding that all melted and flowed together. Over time, the Elephant’s Foot decomposed. It puffed dust and its surface cracked. But for years it remained too dangerous to approach.

Why radiation is dangerous? Particles emitted from radioactive atoms are a form of ionizing radiation—they have enough energy to scramble atoms and molecules they crash into. The reason that radiation can increase the risk of cancer is because destructive particles are playing a deadly game of red rover in our bodies. Our DNA is held in chromosomes—packets of billions of genetic building blocks holding hands in a chain, with astonishingly precise sequences. But radiation can break up the clasped hands, destroying or altering the bonds that hold DNA (and other important molecules) together. With enough damage to key components, cells start to function irregularly, leading to potentially lethal effects. For instance, the damage can make cells start reproducing uncontrollably, causing cancer.

How many people were eventually affected by the disaster? Over 7 million people were effected. The most heavily affected areas were in Belarus, Russia and Ukraine. However, sheep in northern England and reindeer in Lapland had to be killed as they had been irradiated.

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