The video discusses the most terrifying sounds heard during war, including air raid sirens, fighter jets, gunfire, machine guns, tank fire, and mine explosions. These sounds can be deafening and have a profound psychological impact on those who experience them. The video also mentions the use of sound cannons, which were banned due to their ability to disorient and demoralize troops. Additionally, it touches on the use of acoustic weapons, atomic bombs, and torpedoes, highlighting the devastating effects of war on human life and the environment. The video concludes by noting the contagious nature of panic and how it can spread quickly in extreme situations.
Here are the key facts extracted from the text:
1. The volume of an air warning siren can reach 140 decibels, exceeding the pain threshold of the human ear.
2. Air warning sirens are used to warn of accidents, catastrophes, threats of radioactive or chemical contamination, and military attacks.
3. In 2018, a false ballistic missile warning was sent to the population of Hawaii, causing widespread anxiety.
4. The average sound of a fighter jet can reach 160 decibels, which can cause a person's eardrum to rupture.
5. The Kalashnikov AK-47 assault rifle is one of the most popular small arms in the world.
6. During the Vietnam War, American commandos used captured AK-47s because their own M16 rifles were prone to jamming.
7. The use of automatic weapons became popular during World War II.
8. The first machine gun was designed in the USSR in the 1930s and produced a sound with a volume comparable to an aerial bomb explosion.
9. The use of flamethrower tanks was partially banned by the 1983 UN convention.
10. The sound of a tank firing can reach 200 decibels and disorient people within a radius of at least 10 to 15 meters.
11. The use of landmines is banned in many countries due to their devastating effects.
12. Sea and air mines were invented by British engineers during World War II.
13. The use of acoustic weapons, designed to amplify the sound of an explosion, was banned due to their potential demoralizing effect.
14. Sound cannons, which use high-frequency sound waves without ammunition, were first used in 2005 to defend a US civilian plane from Somali pirates.
15. Atomic bombs were dropped on the Japanese cities of Hiroshima and Nagasaki in 1945, causing the death of around 450,000 people.
16. The volume of the explosions reached 250 decibels, capable of ending human life.
17. Torpedoes are self-propelled underwater projectiles used to destroy enemy vessels, and their effectiveness lies in the powerful sound blow they create.
18. The explosion of a sea torpedo can cause massive destruction, as seen in the 2000 catastrophe of the Russian submarine Kursk.