Mass–energy equivalence (E=mc²) by Albert Einstein

In physics, mass–energy equivalence is the relationship between mass and energy in a system's rest frame, where the two quantities differ only by a multiplicative constant and the units of measurement.
The principle is described by the physicist Albert Einstein's formula: E=mc²
In a reference frame where the system is moving, its relativistic energy and relativistic mass (instead of rest mass) obey the same formula.

This mind-blowing formula is so important, I had to make a 3D model of it! It’s a super quick print (just 25 minutes) and you can have it on your desk anytime.

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