Here are 5 instances where science and technology became a failure or threat to human beings in history: 1. Atomic bombings of Hiroshima and Nagasaki - The development and use of nuclear weapons caused immense destruction and loss of human lives in 1945. It demonstrated science and technology can enable weapons of mass destruction. 2. Chernobyl nuclear disaster - The 1986 accident at the Chernobyl nuclear power plant in Ukraine caused widespread radiation contamination and health issues. It showed risks of nuclear energy technology. 3. Bhopal gas tragedy - The methyl isocyanate gas leak from a Union Carbide plant in Bhopal, India in 1984 was one of the world's worst industrial disasters, killing thousands