He told me that one time, the rear admiral William Parry, explorer of the Artic, went to the north in his dog-driven sled. He advanced easily for several hours, but at nightfall when checking the latitude, he found himself further south from the point he had left
- How is that possible?- I asked, amazed
-
Elementary, dear Ochoa.. He didn´t know he was moving
forward above a huge ice floe which was swept southward by the current, with greater
velocity than his dogs could reach, they must have been Siberian huskies . The
same happens to you. The ground you consider firm, diverts back to the past. No
matter how much you advance, it takes you back to the start point
This principle,
which inspired Einstein in his Relativity Theory, establishes the importance of
the observer position. Everyone who has watched how a cow moves backwards
through a train window has verified it. To fully understand a movement, you
have to have sort of kinematic empathy and put yourself in the standpoint of
the observer. This way of putting yourself in the shoes of your counterpart should
be follow in others aspects of life.
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