Category Archives: Special Relativity

There appear to be some misunderstandings concerning superluminal motions or tachyons (here we mean them by generic hypothetical superluminal particles) in physics literature including textbooks. For example, a claim that superluminal motions violate special relativity, that tachyons have an imaginary … Continue reading →

I will be more than happy to be corrected if I am wrong, but, as far as I am aware, there is no confirmed FTL (Faster-Than-Light) phenomenon. In the past, there were some reported FTL phenomena with the speed of … Continue reading →