Physics is all around us. It is in the electric light you turn on in the morning; the car you drive to work; your wristwatch, cell phone, CD player.. It makes the stars shine every night and the sun shine every day, and it makes a baseball soar into the stands for a home run. Physics is the science of matter, energy, space, and time. There are many fields of physics, for example: mechanics, electricity, heat, sound, light, condensed matter, atomic physics, nuclear physics, and elementary particle physics.
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