Atomic explosions rely on the same principle that generates nuclear energy, which is that the potential energy of matter is equal to its mass multiplied by the square of the speed of light. In the case of most nuclear we... More » Science Physics

Truman made the decision to drop atomic bombs on Nagasaki and Hiroshima in August 1945 in order to put an end to the Pacific portion of World War II. It is hypothesized that this was also a demonstration of power to the ... More » History Modern History World War 2

Atomic bombs work by splitting atoms, while hydrogen bombs, also known as nuclear bombs, draw their energy from fusing atoms together. While both types of reactions involve the nucleus of the atom, and both can therefore... More » Science Physics
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Einstein's theory of relativity states that matter and energy are interchangeable, and the amount of energy in a portion of matter equals its mass times the speed of light squared, which Einstein expressed in his equatio... More » Science Physics

Albert Einstein is prominently known for his theories of relativity and for formulating the famous equation E = mc2, where "E" denotes energy, "m" indicates mass and "c" represent the speed of light. Einstein is less ... More » Science Physics

The equation, E = mc², from Albert Einstein's paper on special relativity, states that energy is equal to mass multiplied by a squared constant representing the speed of light. This means that there is a tremendous amoun... More » Science Physics

A wedge utilizes a principle known as mechanical advantage in order to reduce the force needed to lift or separate an object. When driven under load, wedges function by transferring the direction of force applied. More » Science Physics