PinnedTHE TWIN PARADOX AND THE TWO INDEPENDENT UNIFORM LINEAR MOTIONSConsider a spaceship of length L, the nose of the spaceship and the twin on Earth occupy the same position at the initial times (t = t’ =…Jul 14, 20221Jul 14, 20221
PinnedTHE TWIN PARADOX IS NOT A PARADOXI consider the Earth and a spaceship moving relative to each other at constant speed (as required in SR), and there are two scenarios:Jan 10, 20224Jan 10, 20224
PinnedTHE LORENTZ TRANSFORMATIONS AND FRAMES IN MOTION (THE TWIN PARADOX)Let us consider two frames F (x, t) and F_1 (x_1, t_1), coinciding at the initial time t = t_1 = 0.Aug 4, 2021Aug 4, 2021
PinnedTHE CONTRADICTIONThere are two twins, twin A and twin B. Let’s imagine that the twin A has to reach (in a spaceship) a star at a distance d from the Earth…Jul 9, 20211Jul 9, 20211
PinnedLA SOLUZIONE DEL PARADOSSO DEI GEMELLIIL GEMELLO ASTRONAUTA E’ PIU’ GIOVANEJun 20, 20211Jun 20, 20211
MATHEMATICAL INSIGHTThe Earth-star distance is d in the frame of the Earth, and imagine that the spaceship has a tail.Jan 17, 2022Jan 17, 2022
Let's imagine a spaceship moving in the frame of the Earth with uniform rectilinear motion at speed…In this case it's not x_1 = - v * t_1 , the speed of the Earth in the frame of the spaceship isAug 18, 2021Aug 18, 2021
-v * t_1 = -d (for any distance d and for t_1 < t) is a contradiction, because it means that the…Come to think of it, the EarthAug 17, 2021Aug 17, 2021
THE CLOCK PARADOX AND THE LORENTZ TRANSFORMATIONSSolving the CLOCK PARADOX means solving a system of two equations with four unknowns.Aug 17, 20212Aug 17, 20212
If x = v * t (the spaceship moves with uniform rectilinear motion in the frame of the Earth), then:1) in the frame of the spaceship there are gamma copies of the Earth-star distance contracted moving (with uniform rectilinear motion) at…Aug 17, 2021Aug 17, 2021