In physics, spacetime, also called the space-time continuum, is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum.

Dec 18, 2025 · 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 …

Aug 25, 2025 · Few ideas in modern science have reshaped our understanding of reality more profoundly than space-time—the interwoven fabric of space and time at the heart of Albert Einstein's …

May 24, 2025 · Albert Einstein, through his groundbreaking work on relativity, dramatically changed our understanding of space and time. The key insight he brought was that space and time are not …

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, which is often summed up in words as follows: …

Jul 31, 2025 · Space-time compression focuses on how the world seems smaller now that we have more access to it, not time in space. Space-time vs. Earth time depends on where you are in space. If …

Aug 24, 2025 · Space-time is frequently described as the “ fabric of reality.” In some accounts, this fabric is referred to as a fixed, four-dimensional “ block universe ” — a complete map of all events,...

In physics, spacetime is any mathematical model that combines space and time into a single continuum. It is a mathematical concept used to refer to all points of space and time and their relation to each other.

May 28, 2025 · What is spacetime, and is time really all a matter of perspective? Find out in our beginner's guide to the complexities of time and space.

May 20, 2021 · Space-time is the conceptual model that best explains how the universe works. (Image credit: Shutterstock) The fabric of space-time is a conceptual model combining the three dimensions …