《什么是相对论?》

1FAMILIAR EXAMPLES OF REIATIVITY1

Does every Statement have a Meaning?1

Right and Left1

Is it Day or Night just now?3

Who is bigger?3

The Relative seems Absolute4

The Absolute proves to be Relative6

"Common Sense"tries to protest8

2SPACE IS RELATIVE9

The same Place or not?9

How does a Body move in Reality?12

Are all Points of View equivalent?13

Rest is found!15

The Laboratory at Rest16

Is the Train moving?16

Rest is lost for good19

The Law of Inertia21

Speeds too are relative!23

3　THE TRAGEDY OF LIGHT23

Light does not spread instantaneously23

Can the Speed of Light be altered?24

Light and Sound25

The Principle of Relativity of Motion seems to be shaken26

"World Ether"29

A difficult Situation arises31

Experiment must decide32

The Principle of Relativity triumphs34

Out of the Frying Pan into the Fire35

4　TIME PROVES TO BE RELATIVE37

Is there in Fact a Contradiction?37

We go on a Train Journey39

"Common Sense"in Disgrace40

Time suffers the same Fate as Space43

Science Triumphs46

Speed has a Limit47

Earlier and Later50

5　CLOCKS AND RULERS PLAY TRICKS52

We get on the Train again52

Clocks go slow systematically56

The Time Machine58

Journey to a Star61

Objects get shortened64

Velocities play Tricks68

6　WORK CHANGES MASS72

Mass72

Mass increases73

How much does a Gram of Light cost?76

SUMMING UP78

APPEND？X:The Year of Dr.Einstein83

参考译文116