Worldwide Counting of  Nuclear Weapons: Before counting the nuclear weapons, we will try to understand the meaning of Nuclear weapons, Strategic Nuclear Weapons (SNWs), and Tactical Nuclear weapons (TNWs). What are Nuclear weapons? They are made from enriched radioactive materials. Due to nuclear reactions (fission and/or fusion), nuclear weapons are capable of killing millions of people instantly and have long-lasting devastating impacts on humanity and the environment. No other weapons can have such devastating effects. Nuclear weapons are explosive devices and after detonating release a large amount of energy in the form of heat, shock waves, shuttering effects, and radiation. The released energy is measured in Kilotons (1000 tons of TNT) or megatons (1,000,000 tons of TNT). TNT) is an explosive material that is mentioned here for reference. These nuclear weapons are also called atom bombs, A-bombs, Nuclear bombs, nuclear warheads, or nukes. Modern nuclear weapons are the...