The United States conducted its first nuclear test in the Desert of New Mexico in 1945.
Recently, foreign media reported that the DPRK has begun to rebuild key missile test facilities.
This news caused heated discussion in Europe and the United States, believing that north Korea, which is addicted to making missiles, is once again testing the wind.
In 2017, North Korea made a hydrogen bomb that caused panic among US imperialists.
Some estimate that the North Korean hydrogen bomb had an explosive yield of 100 kilotons, five times that of the Fat Man atomic bomb dropped by the United States in Nagasaki in 1945, which killed 70,000 people immediately after being dropped.
But it still pales in comparison to the Largest Man-Made Explosion on Earth, the Soviet Union's Tsar Bomba, which detonated at the height of the nuclear arms race in 1961.
The "Tsar Bomb" unleashed a staggering 50,000 kilotons of energy.
Reports at the time said the "Tsar Bomb" had destroyed all buildings within 55 kilometers of Sukhoy Nos in the Novaya Zemlya Islands near the North Pole, where the test site was tested.
Within a few hundred kilometers, the building was damaged and the windows were broken. There are reports that windows in Finland and Norway have been broken, and that the shock waves caused by the explosions have circled the earth three times.
1952 U.S. hydrogen bomb explosion file photo.
Physically, it was a huge bomb, weighing 27 metric tons and about 8 meters long, meaning it was completely impractical to use it as a real weapon. It was dropped from a manned plane by a parachute, and although the crew survived, it was difficult to determine its power.
It was later discovered that the bomb could have been more powerful. It was originally designed to release 100 megatons of energy, but was scaled down to prevent atomic dust from affecting more people.
The Soviet Union conducted a number of other powerful nuclear weapons tests on Novaya Zemlya in the 1960s, with yields ranging from 20 to 24 megatons.
However, since the beginning of the nuclear age in July 1945, more than half of the more than 2,000 intentional nuclear explosions have been triggered by the United States, which is the only country that has used nuclear weapons in war.
The real madness of the United States in building nuclear-weapon-level bombs is the real madness.
In November 1952, the United States detonated the world's first hydrogen bomb, a nuclear device more powerful than an atomic bomb. The hydrogen bomb, code-named Ivy Mike, weighed 82 tons and detonated in the Marshall Islands of the Pacific Ocean.
Its explosive power is 10 megatons.
Archived news footage at the time showed observers watching the test on a military vessel about 50 kilometers away.
Harold Agnew, a physicist and leader in the U.S. nuclear program, was on one of the ships, after which he said, "I'll never forget that it was the heat, not the explosion... The heat has been, has been going on. It was truly a terrifying experience. "
The blast cloud was about 50 kilometers high and 100 kilometers long, and completely destroyed the island of Elugelab.
But the largest nuclear device detonated by the United States was the Castle Bravo, which detonated in 1954 at Bikini Atoll in the Marshall Islands.
The 1956 experiment was one of those at Bikini Atoll in the 1950s.
What the Applause Castle remembers most is its unintended consequences. It expected the equivalent to be 5,000 kilotons, but the scientists miscalculated and the final equivalent was three times what was expected.
The mushroom cloud it generates is more than 4 miles wide and radiates over 11,000 square kilometers.
People nearby were evacuated and many never returned, but the impact was still greater than expected.
Since then, hundreds of people on nearby atolls and crews on a Japanese fishing boat in the area have been affected by radioactive debris from the nuclear explosion, causing radiation sickness.
In 1997, the International Atomic Energy Agency stated that bikini atoll "should never resettle its inhabitants under the current radiation conditions."
Regarding nuclear radiation pollution, I believe that everyone is no stranger to Chernobyl.
At that time, in order to prevent Chernobyl from continuing to leak, the Soviet Union built a complex large building out of concrete, called a sarcophagus.
During the Chernobyl rescue, the Soviet army lost a total of 237 people, and these hundreds of thousands of people did not act together, but calculated the limit of what each person could physically bear. When this limit is reached, the shifts are immediately changed, and their fearless sacrifice is in stark contrast to Fukushima's Heisei waste. For several months, the Soviet Union sent countless manpower and material resources to finally control the radiation. The thirty-kilometre radius around the blast reactor was demarcated as an isolation zone, enclosed by barbed wire, and there was a checkpoint at the entrance.
The loss of Chernobyl as a whole was about two hundred billion US dollars, and even after the collapse of the Soviet Union, it did not stop paying attention to Chernobyl.
Because this was not something that could be done in a day, it was estimated that it would take at least eight hundred years to completely eliminate it, and the Chernobyl accident also had some impact on the subsequent collapse of the Soviet Union.
Although the Soviet Union was as obsessed with nuclear weapons as the United States, the Soviet Union was quite responsible for the Chernobyl affair.
Japan is very unsympathetic in this regard:
Japan has basically decided to discharge Fukushima nuclear sewage into the sea. The harm caused by the entry of nuclear wastewater into the sea is not a point of two points. It will not only affect the fishermen around it, but also affect the global migration of fish and the health of human beings, and it is inevitable that neighboring countries will be endangered.
Simply put, the entry of nuclear sewage into the sea is actually a preparation for the world to pay.
Thankfully we have two bombs and one star scientist
Cherish hard-won peace
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Editors and typesetting: Qin Kejia, Liu Xiran