Spacetime：Spacetime Physics
Spacetime
https://en.wikipedia.org
In physics, spacetime is any mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional ...
space
https://dictionary.cambridge.o
space-time翻譯：時空（愛因斯坦相對論的部分內容，在三維空間上添加了時間）。了解更多。
What Is Spacetime?
https://www.nature.com
In physics and, more generally, in the natural sciences, space and time are the foundation of all theories. Yet we never see spacetime directly.
Spacetime
https://simple.wikipedia.org
Spacetime or space–time is a mathematical model that joins space and time into a single idea called a continuum. This four-dimensional continuum is known as ...
Space
https://www.britannica.com
space-time, in physical science, single concept that recognizes the union of space and time, first proposed by the mathematician Hermann ...
GP
https://einstein.stanford.edu
Gravity feels strongest where spacetime is most curved, and it vanishes where spacetime is flat. This is the core of Einstein's theory of general relativity, ...
General relativity
https://en.wikipedia.org
Paraphrasing the relativist John Archibald Wheeler, spacetime tells matter how to move; matter tells spacetime how to curve. While general relativity ...