What's The Atom?
Atoms are the basic units of matter. Everything in the universe apart from energy is made of matter therefore atoms make up everything in the universe, according to Northwestern University. The term "atom" comes from the Greek word for indivisible, because it was once thought that atoms were the smallest things in the universe and could not be divided. We now know that atoms are made up of three particles known as subatomic particles: protons, neutrons and electrons — which are composed of even smaller particles, such as quarks.
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Conclusion
Philosophical Atomism led to the development of early scientific atomic theory, modern science has shown that atoms in the chemical sense are actually composed of smaller particles (electrons, neutrons and protons), and that these in turn are composed of even more fundamental particles called qua...
Baryonic And Non-Baryonic Matter
- Familiar material of the universe contains protons, neutrons and electrons, also known as Baryonic Matter.
- Dark matter is made up of the same plus also non-baryonic matter (neutrinos, free electrons, supersymmetric particles, axions, and black hole...
The Large Light Collider
They went looking for collisions between photons and nuclei, called photonuclear collisions, in data collected during the lead-ion runs at the LHC. These runs have happened in the few weeks just before the LHC’s winter shutdown each year that the LHC has been in operation.
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