The US is in an open war of words with Russia, while North Korea, despite being on its best behavior lately, is still seemingly a threat to just about everyone. Nuclear weapons are commonplace, at least insofar as lots of countries have access to them but never actually use them, but tensions between superpowers never seem to go away. Scientists explain how a nuclear warhead could save us from an asteroid apocalypseĪrchaeologists discover ancient weapon that could kill a man with a single blow It has no effect on human bodies.Now the Russians want to nuke asteroids, too Is there still radiation in Hiroshima and Nagasaki? The radiation in Hiroshima and Nagasaki today is on a par with the extremely low levels of background radiation (natural radioactivity) present anywhere on Earth. “With the bomb we dropped in Nagasaki, it killed everybody within a mile radius,” Morse told TIME on Friday, adding that a hydrogen bomb's reach would be closer to 5 or 10 miles. What is the blast radius of a hydrogen bomb? The Tsar Bomba The Tsar Bomba is the single most physically powerful device ever deployed on Earth, the most powerful nuclear bomb tested and the largest man-made explosion in history. What is the strongest bomb in the World 2021? The atomic explosion almost completely destroyed Hiroshima's identity as a city. What was the blast radius of Hiroshima?ġ mile In both cities the blast totally destroyed everything within a radius of 1 mile from the center of explosion, except for certain reinforced concrete frames as noted above. Approximately 80,000 people are killed as a direct result of the blast, and another 35,000 are injured. The United States On August 6, 1945, the United States becomes the first and only nation to use atomic weaponry during wartime when it drops an atomic bomb on the Japanese city of Hiroshima. In a 1-km (0.6-mile) radius, the peak pressure is four times that amount, and wind speeds can reach 756 km/h (470 mph).
Within a 6-km (3.7-mile) radius of a 1-megaton bomb, blast waves would produce 180 metric tons of force on the walls of all two-story buildings, and wind speeds of 255 km/h (158 mph). When the giant bomb finally detonated about 13,000 feet (4 kilometers) over its target, the blast was so powerful that it destroyed everything within a nearly 22-mile (35-kilometer) radius, and generated a mushroom cloud that towered nearly 200,000 feet (60 kilometers). You've got to consider the immense thermal radiation too, which travels at the speed of light. Heat is the prime concern for those closer to a nuclear blast, with people up to 6.8 miles away suffering first-degree burns and third-degree burns hitting anyone up to 5 miles away. What is the blast radius of a 50 megaton bomb?Ībout 3 miles (To put it into perspective: The fireball for a 50-megaton weapon has a radius of about 3 miles. This radius increases to approximately ¾ mile (1200m) for a 10 KT detonation. The initial radiation pulse from a 1 KT device could cause 50% mortality from radiation exposure, to individuals, without immediate medical intervention, within an approximate ½ mile (790 m) radius.
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