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ÒÔÏÂÊÇ Zur Elektrodynamik bewegter Körper,  von A. Einstein

http://onlinelibrary.wiley.com/doi/10.1002/andp.19053221004/abstract

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Examples of this sort, together with the unsuccessful attempts to discover any motion of the earth relatively to the ¡°light medium,¡± suggest that the phenomena of electrodynamics as well as of mechanics possess no properties corresponding to the idea of absolute rest. They suggest rather that, as has already been shown to the first order of small quantities, the same laws of electrodynamics and optics will be valid for all frames of reference for which the equations of mechanics hold good.1 We will raise this conjecture (the purport of which will hereafter be called the ¡°Principle of Relativity¡±) to the status of a postulate, and also introduce another postulate, which is only apparently irreconcilable with the former, namely, that light is always propagated in empty space with a definite velocity c which is independent of the state of motion of the emitting body.

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¡ì 2. On the Relativity of Lengths and Times

The following reflexions are based on the principle of relativity and on the principle of the constancy of the velocity of light. These two principles we define as follows:¡ª

The laws by which the states of physical systems undergo change are not affected, whether these changes of state be referred to the one or the other of two systems of co-ordinates in uniform translatory motion.

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[1] A. Einstein£¬Zur Elektrodynamik bewegter Körper

Einstein, A. (1905), Zur Elektrodynamik bewegter Körper. Ann. Phys., 322: 891¨C921. doi: 10.1002/andp.19053221004

http://onlinelibrary.wiley.com/doi/10.1002/andp.19053221004/abstract

[2] On The Electrodynamics of Moving Bodies, By A. Einstein, June 30, 1905

http://www.fourmilab.ch/etexts/einstein/specrel/www/

[3] °®ÒòË¹Ì¹ÏÁÒåÏà¶ÔÂÛÔ­ÎÄ---¡¶ÂÛ¶¯ÌåµÄµç¶¯Á¦Ñ§¡·

http://tieba.baidu.com/p/610391383

[4] ¡¶ÂÛ¶¯ÌåµÄµç¶¯Á¦Ñ§¡·È«ÎÄÒëÎÄ

http://blog.163.com/terrorist_1992/blog/static/106204601201062294311698/

[5] Éò»Ý´¨£¬2012-10-20£¬ÂÞ½Ü▪ÅíÂÞË¹Ëµ£¬ÎïÀíÑ§´ÓÏÒÂÛµ½Á¿×ÓÁ¦Ñ§¶¼´íÁË

http://blog.sciencenet.cn/blog-605880-624403.html

[6]  2013-04-01£¬[Çë½Ì] ÀàÐÇÌåÖÜÎ§ÓÐ¾²µç³¡Âð£¿

http://blog.sciencenet.cn/blog-107667-675940.html

[7] 2013-4-15£¬[Çë½Ì] ÎïÀí»ù´¡£ºÒò¹û¹ØÏµÊÇ·ñÒÀÀµ¹Û²ìÕß£¿

http://blog.sciencenet.cn/blog-107667-680338.html

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The farther backward you can look, the farther forward you can see.

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http://blog.sciencenet.cn/blog-107667-915813.html

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