fromBig Think1 week agoScienceHow to understand Einstein's relativity without mathSpace and time are not absolute; measured distances and durations depend on observer location and motion, while the speed of light in vacuum remains invariant.
fromWIRED3 months agoScienceEinstein Showed That Time Is Relative. But ... Why Is It?Both the driver and the observer see light traveling at speed c, illustrating the principles of special relativity.