Thanks to Lorentz transformation (name given by Henrì Poincarè) we have a theory that aim to give a scientific description of the change of viewpoint from one inertial frame to a second moving one. 805 more words

## Tags » Lorentz Transformation

#### Determining the causal structure of spacetime (I)

In this series of blog posts, I aim to explain the causal structure of the spacetime solutions in general relativity. Currently, I am working on a special extension of Einstein’s theory (general relativity) which is known as Horndeski theory. 1,046 more words

#### Superman flying at lightspeed? Umm... no

Back when I was in high school I did a term paper for some class (can’t remember which) ripping the heck out of Superman physics. Yeah, I was that kind of kid. 691 more words

#### Does a photon experience time?

My brother Ken asked me, “Is it true that a photon doesn’t experience time?” Good question. As I was thinking about it I wondered if the answer could have implications for… 727 more words