Physics
- Outer space, especially the relatively empty regions of the universe outside the atmospheres of celestial bodies
- Vacuum, a volume of space that is essentially empty of matter, such that its gaseous pressure is much less than atmospheric pressure
- Free space, a perfect vacuum as expressed in the classical physics model
- Vacuum state, a perfect vacuum based on the quantum mechanical model
- In mathematical physics, the homogeneous equation may correspond to a physical theory formulated in empty space
- Void, empty space.
Read more about this topic: Empty Space
Famous quotes containing the word physics:
“It is hardly to be believed how spiritual reflections when mixed with a little physics can hold people’s attention and give them a livelier idea of God than do the often ill-applied examples of his wrath.”
—G.C. (Georg Christoph)
“Although philosophers generally believe in laws and deny causes, explanatory practice in physics is just the reverse.”
—Nancy Cartwright (b. 1945)
“... it is as true in morals as in physics that all force is imperishable; therefore the consequences of a human action never cease.”
—Tennessee Claflin (1846–1923)