Space and time seem like two completely different ideas, but Einstein showed they are interlinked in what is known as ...

Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

Unfortunately, any work you do in the universe will have to be done the old-fashioned way. There may be an infinite amount of energy locked in the vacuum of space-time. So could we ever harness this ...

The entangled clocks can test how quantum theory behaves in the presence of curved space-time as predicted by Einstein, or whether our current theories break down. Hoboken, N.J., July 14, 2025 — ...