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goo · 3315 days ago · link · · parent · post: What do you think happens to ideas which people forget?
Energy is studied in the physical sciences, as it is a non-living system in our universe. It is a measurable quantity, transferable, and constantly interacts with its environment. Would that not make it a physical thing?
user-inactivated · 3315 days ago · link ·
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Physical is generally accepted to mean "tangible," i.e., something which one is able to touch and feel - over physical as "part of physics." I agree, it's just - odd for me to see the word "physical" used to mean, more esoterically, "relating to or of physics." I'm sure both meanings are correct, but one is more common.
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user-inactivated · 3314 days ago · link ·
This comment has been deleted.