Category:Time
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Time is a measure of duration. It can mark change by operational definition, or by other technologies. By the 20th century, Einstein came to regard time as a fourth dimension, along with space, within a spacetime.
Subcategories
There are 10 subcategories to this category shown below (more may be shown on subsequent pages).
ACF |
HOP |
TU |
Pages in category "Time"
There are 58 pages in this section of this category.