LOG#153. Guardians of the Galaxy and Special Relativity.

Dedicated to my followers, to my (cyber)friends around all over the globe, to those patient people who have been waiting for this reboot and also to Marvel for bringing us Guardians of the Galaxy in a superb and wonderful live-action … Continue reading

LOG#052. Chewbacca’s exam.

I found this fun (Spanish) exam about Special Relativity at a Spanish website: Solutions: 1) 2) 3) t=13.6 months = 13 months and 18 days. Calculations: 1) We use the relativistic addition of velocities rule. That is, where u=Millenium Falcon … Continue reading

LOG#041. Muons and relativity.

QUESTION: Is the time dilation real or is it an artifact of our current theories? There are solid arguments why time dilation is not an apparent effect but a macroscopic measurable effect. Today, we are going to discuss the “reality” … Continue reading

LOG#037. Relativity: Examples(I)

Problem 1. In the S-frame, 2 events are happening simultaneously at 3 lyrs of distance. In the S’-frame those events happen at 3.5 lyrs. Answer to the following questions: i) What is the relative speed between frames? ii) What is … Continue reading