The video discusses the history of radiation contamination and nuclear disasters, starting with the Soviet Union's fear of radiation after the Chernobyl nuclear power plant tragedy. It then shifts to the United States, where nuclear tests were conducted in Nevada, and people would gather to watch the explosions, unaware of the dangers of radiation.
The video also covers two incidents in Brazil and Japan, where radiation accidents occurred due to human error and lack of proper safety protocols. In Brazil, a group of people found a radioactive capsule in a landfill and began to play with it, resulting in several deaths. In Japan, a worker mixed uranium oxide with nitric acid in a bucket, causing a chain reaction and exposing over 600 people to radiation.
The video concludes with a more recent incident in Russia, where a container with radioactive cesium was melted down in a furnace, releasing radioactive smoke into the air. The video ends with a warning about the dangers of radiation and the importance of proper safety protocols and responsible handling of radioactive materials.
Here are the key facts extracted from the text:
1. The Soviet Union had a nuclear test site in the Nevada desert from 1951 to 1992.
2. Over 40 years, more than 900 nuclear explosions occurred at the site, most of which were underground.
3. The city of Las Vegas is located just 100 kilometers from the test site.
4. Entrepreneurs organized excursions for people to watch nuclear explosions at a safe distance.
5. The attitude towards nuclear explosions was similar to that of fireworks, with people measuring radiation levels as a form of entertainment.
6. In 1987, an incident occurred in Goiania, Brazil, where a radioactive capsule was stolen from a hospital and people were exposed to radiation.
7. The capsule contained the cesium-137 isotope and was found in a landfill by a curious owner.
8. Four people died from radiation exposure, and many others were affected.
9. In 1999, an incident occurred at a uranium fuel processing plant in Japan, where workers mixed uranium oxide with nitric acid.
10. A chain reaction occurred, spreading gamma radiation throughout the area, and over 600 people received radiation exposure.
11. Only three workers were seriously injured, and two of them died a few months later.
12. In 2013, an incident occurred at an electric steel plant in Russia, where a container with radioactive cesium was melted down.
13. Radioactive smoke was released into the air, contaminating nearby buildings and soil.
14. The incident was settled, but the radiation release remained in the memory of the city residents.