Chapter One, Tied Up with String
• The two most important fields in modern physics are general relativity and quantum mechanics.
• General relativity deals with very large or massive objects.
• Quantum mechanics deals with very small objects.
• These two theories are inconsistent with each other; they cannot both exactly be correct.
• String theory makes these two theories compatible.
• An atom is composed of a cloud of electrons in orbit around a dense nucleus of protons and neutrons.
• Protons and neutrons are composed of quarks; there are six kinds of quarks.
• Every particle has an antimatter counter-part that has the same mass but opposite electrical charge.
• When matter and antimatter contact, they are both destroyed and energy is released.
• The four fundamental forces of the universe are gravity, the electromagnetic force, the strong force, and the weak force
• String theory states that all particles are made of tiny vibrating one-dimensional...
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