The fabric of space-time is a conceptual model combining the three dimensions of space with the fourth dimension of time. According to the best of current physical theories, space-time explains ...

Get ready to be flung into the uncharted stars, as we’re about to look at how the time travel in Lost in Space works!

The tick of the world clock depends on hundreds of atomic oscillators positioned across the globe.

But a space-time crystal does not violate any laws of physics. That’s because it exists in its lowest energy state and so cannot do work–energy cannot be extracted from this system even though ...

If they’re correct, the team’s work lays the foundation for the first experimental detection of an emergent space-time. First some background.