In the last few days, I have frequently seen absurd claims on X stating that "the theory of relativity is wrong." This time, ...

Three Key Points of This Article・Physicist Yasunori Nomura has withdrawn a public debate he proposed to an individual he ...

0:00 - Why time is a dimension 1:43 - Speed of light was a problem 3:54 - How Einstein resolved problem 4:54 - Minkowski geometry 6:59 - What're world lines 7:30 - What's a light cone 9:19 - How ...

Albert Einstein's theory of relativity is actually two separate theories: his special theory of relativity, postulated in the 1905 paper, The Electrodynamics of Moving Bodies and his theory of general ...

For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational wave signal from a binary black hole merger to date, and it gives researchers ...

At the center of the Milky Way, close to the pull of a supermassive black hole, astronomers have found a strange new radio signal that behaves like a slow, steady clock. This object is more than an ...