What is space in modern physics?

Space is one of the few fundamental quantities in physics, meaning that it cannot be defined via other quantities because nothing more fundamental is known at the present. Today, our three-dimensional space is viewed as embedded in a four-dimensional spacetime, called Minkowski space (see special relativity).

What is space and time in physics?

In physics, spacetime is any mathematical model which fuses the three dimensions of space and the one dimension of time into a single four-dimensional manifold. Spacetime diagrams can be used to visualize relativistic effects, such as why different observers perceive differently where and when events occur.

What is the concept of space and time?

space-time, in physical science, single concept that recognizes the union of space and time, first proposed by the mathematician Hermann Minkowski in 1908 as a way to reformulate Albert Einstein’s special theory of relativity (1905). Common intuition previously supposed no connection between space and time.

Is time really different in space?

We all measure our experience in space-time differently. That’s because space-time isn’t flat — it’s curved, and it can be warped by matter and energy. And for astronauts on the International Space Station, that means they get to age just a tiny bit slower than people on Earth. That’s because of time-dilation effects.

What is space time in physics?

Space-time. Any “now” in time could be regarded as an origin from which to take duration past or future to any other time instant. Uniformly moving spatial coordinate systems attached to uniform time continua represented all unaccelerated motions, the special class of so-called inertial reference frames.

Why are space and time deliberately undefined concepts in physics?

Also, in Newtonian physics, space and time are deliberately undefined concepts. This is because, in Newtonian world view, space and time provide the background where physical theories are to be built. Space and time have to be kept completely pure from other concepts.

How are space and time conditioned by matter?

Space and time are conditioned by matter, as a form is conditioned by its content, and every level of the motion of matter possesses its space-time structure. Thus living cells and organisms, in which geometry becomes more complex and the rhythm of time changes, possess special space-time properties.

Does everything take place in space and time?

Not only the events of the external world, but also all feelings and thoughts take place in space and time. In the material world everything has extension and duration. Space and time have their peculiarities. Space has three dimensions: length, breadth and height, but time has only one—from the past through the present to the future.

https://www.youtube.com/watch?v=muSEr767MPg