The distinction, however, is not always clear-cut. Some of the phenomena studied in physics, such as the phenomenon of conservation of energy, are common to all material systems.Some of the phenomena studied in physics, such as the phenomenon of conservation of energy, are common to all material systems. Discoveries in physics find applications throughout the other natural sciences as they regard the basic constituents of the Universe. These are often referred to as laws of physics. Others, such as superconductivity, stem from these laws, but are not laws themselves because they only appear in some systems. The deepest visible-light image of the Universe, the Hubble Ultra Deep Field.The distinction, however, is not always clear-cut. Some of the phenomena studied in physics, such as the phenomenon of conservation of energy, are common to all material systems.These are often referred to as laws of physics. Others, such as superconductivity, stem from these laws, but are not laws themselves because they only appear in some systems. The deepest visible-light image of the Universe, the Hubble Ultra Deep Field.
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