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## Main Question or Discussion Point

**What is Physical Significance of "Lorentz Transforms"?**

Can anyone explain me what is physical significance of "Lorentz Transforms"?

That means, apart from the math, how can we understand "how and why" length contraction or time dilation actually happen? and what is speed of light doing in the lorentz transform equations? Why is it not speed of sound or speed of any other wave but speed of light? I think these are too many!

Regards,

Mitesh