Fact of the Day: 07/01/2020
What does Einstein’s famous equation E = mc2 really mean? In the equation, E represents energy, m represents mass, and c represents the speed of light (a very, very large number). This equation is essentially telling us how energy converts to mass and vice versa, with the speed of light as the conversion factor. If you analyze the equation a bit further, you’ll see that the amount of energy produced by an object is equivalent to the mass of that object multiplied by the speed of light squared – in other words, if you have even a very small object, it will produce a massive amount of energy, and the opposite is true as well. If you rearrange the equation to isolate mass (divide both sides by c2), you’ll see that mass is equivalent to energy divided by the speed of light square – in other words, a large amount of energy would produce a very small amount of mass.
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