Antimatter
Antimatter is a substance made up of subatomic particles that have the same mass as ordinary matter, but with opposite electric charge and parity. For example, an electron has a negative charge, while the positron, has a positive charge. More ...
How to Enrich Uranium
Uranium enrichment increases the percentage of uranium-235 (U-235) in uranium. Natural uranium has 0.7% U-235, while nuclear reactor fuel needs 3-5%. More ...
JVectors - Unit Vectors and Adding Vectors by Componets
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Understand E = mc^2
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Projectile Motion
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The Four Fundamental Forces of the Universe
Despite the apparent complexity within the universe, there are just four basic forces. These forces are responsible for all interactions known to science: from the very small to the very large to those that we experience in our day-to-day lives. More ...
Particle Accelerators
The fundamental process in creating unknown particles is to accelerate known particles, such as protons or electrons, and direct a beam of them toward a target. More ...
The Gravitational Force
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Rutherford's Experiment and The Structure of the Atom
Ernest Rutherford's (1871-1937) surprising discovery about the interior of the atom is most fundamental in explaining so many well-known phenomena. He took us from the plum pudding model to the planetary model of the atom we use today. More ...
Force Vectors
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