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Books & Resources

The difference between the perspectives just outlined reminds me a bit of what Einstein had to say about the Theory of Relativity. As many of you may know, according to Relativity, our fixed and concrete concepts of space, time, and mass are actually “plastic” and stretchable; these, the most fundamental of all entities, can ebb and flow depending on one’s velocity and local perspective. On a fast moving spacecraft, time slows down, distance contracts, and mass increases relative to a “stationary” frame of reference. Indeed, two people moving relative to one another can each measure time and get two vastly different answers. Who is right? “Both are,” is Einstein’s reply. As pointed out in the famous Twin Paradox, a twin venturing off in a fast spaceship might return to Earth a year older, only to find that his twin has died and a thousand years have passed away! Yes, indeed, two people can view the same event from different perspectives, get different answers, and both be right.