How has Einstein's famous formula affected me? He was basically saying that matter and energy are really different forms of the same thing. Matter can be turned into energy, and energy into matter. With his formula, scientists can explain how the sun releases energy, nuclear fission, stellar energy. This formula is still confusing to me; I know that this concept is profound and can explain how we receive warmth from the sun, that a walnut has enough potential energy to power a city, and that PET scans make use of Einstein's equation. I certainly don't understand the math parts, but I know that this has helped in many scientific, social, cosmic discoveries.
The four forces can be compared, but rely on each other and work to unify our universe. Gravity has the furthest reach, but is weakest in magnitude. Electromagnetic force maintains the interaction of particles with an electrical charge. Weak nuclear force is responsible for radioactive decay and strong nuclear force keeps nucleons together. Gravity, keeps the planets in orbit around the sun and the moon in orbit around the Earth. It's the force that keeps us on the ground, always attracting objects and never repels.
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