E=mc2

Mass-energy equivalence formula

E=mc² is Einstein's mass-energy equivalence equation, expressing that energy equals mass multiplied by the speed of light squared.

It reveals that mass and energy are interchangeable—a small amount of matter contains enormous energy.

The equation underlies nuclear power and weapons: E=mc² explains why atomic bombs release such destructive force.

It's become cultural shorthand for scientific genius.

Einstein

Albert Einstein

Renowned twentieth-century physicist

patent clerk · thought experiment · Bern · physicist · Nobel Prize · relativity theory · blackboard · wild hair · iconic · theoretical physics

nuclear

atomic bomb

Fission-triggered mass destruction device

uranium · plutonium · Manhattan Project · Hiroshima · mushroom cloud · reactor · nuclear power · criticality · yield · megatons

physics

special relativity

Theory uniting space, time

particle physics · annihilation · conversion · Lorentz · spacetime · constant

cosmological

Big Bang

Universe's explosive origin

primordial · quasar · black hole · gamma ray burst · antimatter · cosmic rays · solar fusion · neutron star · luminosity

iconic

pop culture

Mass entertainment and trends

symbol · bumper sticker · meme · shorthand · simplified · recognizable · quotable · merchandise · documentary · biography

Categories
Opposites
physics paradigm

E=mc2classical mechanics

Laws governing macroscopic motion

Newtonian physics · Newtonian mechanics · F=ma · Newton's laws · absolute time

scientific revolution

E=mc2Aristotelian physics

Ancient Greek motion theory

phlogiston theory · caloric theory · Newton's laws of motion · geocentric model

cultural symbolism of knowledge

E=mc2perpetual motion

Unending movement without input

alchemy · astrology · pseudoscience · superstition · magical thinking

Family

energy, mass, speed, light, squared, energetic, energize, energies, massive

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Top 200,000
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Known to kids · Used worldwide · Timeless · Abstract · Rated G