I heard about how you joined Professor Yamamoto's seminar at Aichi University of Education. From there, you proceeded to ...

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 ...

We all have some past events that we'd like to undo. These can be minor moments, such as a failed exam or an argument with friends, or world-changing incidents, such as the 2019 outbreak that led to ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

The concept of spacetime, first described in Einstein's theory of general relativity, has since been widely studied by many physicists worldwide. Spacetime is described mathematically as a ...

Recent research shows that gravity and quantum information are deeply connected and that the shape of spacetime can be traced back to the way information is stored in quantum fields. Einstein's theory ...

A spaceship that travels faster than light.A time machine that returns to the past.Teleportation that moves you to a distant ...

This paper derives a unified description of electromagnetic and gravitational interactions in the classical regime, addressing the fundamental question of why like ...