The ABC of Relativity |
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Page 20
... infer the " real " shapes from several visual apparent shapes ; moreover , the " real " shapes can be ascertained by touch in the case of bodies in our neighbor- hood . The objective time of a physical occur- rence can be inferred from ...
... infer the " real " shapes from several visual apparent shapes ; moreover , the " real " shapes can be ascertained by touch in the case of bodies in our neighbor- hood . The objective time of a physical occur- rence can be inferred from ...
Page 49
... infer that half an hour ago Jupiter was where we see it now . All this seems obvious . But in fact it only works in practice because the rel- ative velocities of the planets are very small compared with the velocity of light . When we ...
... infer that half an hour ago Jupiter was where we see it now . All this seems obvious . But in fact it only works in practice because the rel- ative velocities of the planets are very small compared with the velocity of light . When we ...
Page 53
... inferred- from the distance in time together with the dis- tance in space . This is what is called the " in- terval " in space time . Taking any two events in the universe , there are two different possibilities as to the relation ...
... inferred- from the distance in time together with the dis- tance in space . This is what is called the " in- terval " in space time . Taking any two events in the universe , there are two different possibilities as to the relation ...
Page 79
... infer that he was unusually slow in his movements ; and events in the conveyance mov- ing with him would be similarly retarded - as though time had forgotten to go on . His cigar lasts twice as long as one of ours . I said ' infer ...
... infer that he was unusually slow in his movements ; and events in the conveyance mov- ing with him would be similarly retarded - as though time had forgotten to go on . His cigar lasts twice as long as one of ours . I said ' infer ...
Page 83
... infer that it happened twice as long ago as the earth dweller thinks . But if it occurred in the direc- tion from which he has come , he will argue that it happened only half as long ago as the earth dweller thinks . If the traveler ...
... infer that it happened twice as long ago as the earth dweller thinks . But if it occurred in the direc- tion from which he has come , he will argue that it happened only half as long ago as the earth dweller thinks . If the traveler ...
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Common terms and phrases
alter analogous assume ativity atom body called chapter circle clocks co-ordinates conservation definite direction earth dweller Eddington effect Einstein Einstein's law electromagnetic equally equator ether Euclidean exactly fact faster finite flash foot rule force formula geodesics geometry given great-circle distance Greenwich happened infer interval journey judge Jupiter kinetic energy law of gravitation lengths less light ray light waves longer Lorentz transformation mathematical mean meas measured mass ment Michelson-Morley experiment miles an hour mirror motion moving relatively nature Newton observer occur particles physical laws physical world physicist planets point of view position possible potential energy proper mass protons Pythagoras quantity railway regard result right angles sense server simultaneous solar system space-time special theory spectral lines square stars straight lines suppose surface tance theory of relativity thing tion tonian train triangle universe velocity of light weight