Einstein, the searcher : $b his work explained from dialogues with Einstein — John Shaqi
Einstein, the searcher : $b his work explained from dialogues with EinsteinMoszkowski, Alexander
Philosophy
Einstein, the searcher : $b his work explained from dialogues with Einstein
Moszkowski, Alexander
Einstein, Albert, 1879-1955; Relativity (Physics)
As already remarked, there was no lack of rare fruits among the
newspaper articles, and a chronicler would doubtless have been able to
make an attractive album of them. I brought Einstein several foreign
papers with large illustrations which must certainly have cost the
authors and publishers much effort and money. Among others there were
full-page beautifully coloured pictures intended to give the reader an
idea of the paths pursued by the rays from the stars during the total
eclipse of the sun. These afforded Einstein much amusement, namely, _e
contrario_, for from the physical point of view these pages contained
utter nonsense. They showed the exact opposite of the actual course of
the rays inasmuch as the author of the diagrams had turned the convex
side of the deflected ray towards the sun. He had not even a vague idea
of the character of the deflection, for his rays proceeded in a straight
line through the universe until they reached the sun, where they
underwent a sudden change of direction reminiscent of a stork's legs.
The din of journalistic homage was not unmixed with scattered voices of
dissent, even of hostility. Einstein combated these not only without
anger but with a certain satisfaction. For indeed the series of unbroken
ovations became discomfiting, and his feelings took up arms against what
seemed to be developing into a star-artist cult. It was like a breath of
fresh air when some column of a chance newspaper was devoted to a
polemic against his theory, no matter how unfounded or unreasoned it may
have been, merely because a dissonant tone broke the unceasing chorus of
praise. On one occasion he even said of a shrill disputant, "The man is
quite right!" And these words were uttered in the most natural manner
possible. One must know him personally if one is to understand these
excesses of toleration. So did Socrates defend his opponents.
In our conversation we returned to the original question, and I asked
whether there was no means of making the deflection of the ray
intelligible to an average person.
Einstein replied: "In a very superficial manner this is certainly
possible." And with a few strokes on the paper, which I shall here try
to describe in words, he gave his explanation in terms something like
the following:
This square is to denote the cross-section of a closed box which we
imagine to be situated somewhere in the universe. Inside it there lives
a physicist who makes observations and draws inferences from them. In
the course of time he perceives, what is familiar to all of us, that
every body not supported and left to itself, for example, a stone that
is released, drops to the floor with uniform acceleration, that is, with
a steady increase of velocity in going downwards. There are _two_ ways
open to him to explain this phenomenon.
Public-domain text, read in full here on John Shaqi.
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