能量守恒是一個原理，無法給出一般的證明。

In the electromagnetic theory, the law of energy conservation is described by Poynting thereom. Can you give me a specific example that violate this law? Thanks.

所有跟帖： 

• 能量守恒既是一個原理，又是經驗規律 -cys254- ♂ (688 bytes) () 05/10/2010 postreply 20:45:02

• 這樣的實驗在兩年前就已經有了 -liuyanghe- ♂ (0 bytes) () 05/11/2010 postreply 04:15:38

• 願聞其詳 -cys254- ♂ (0 bytes) () 05/11/2010 postreply 06:56:37

• You mean “永動機”成功了？ -zhejiangbeijing- ♂ (11 bytes) () 05/11/2010 postreply 20:41:56

• 不是 “永動機”，是一個物理學實驗 -liuyanghe- ♂ (94 bytes) () 05/11/2010 postreply 21:06:28

• Please give references for the 物理學實驗? -zhejiangbeijing- ♂ (7 bytes) () 05/11/2010 postreply 21:18:27

• 回複： -liuyanghe- ♂ (30 bytes) () 05/21/2010 postreply 11:01:31

• 帶電粒子和交變電場（位移電流）有互作用 -zhejiangbeijing- ♂ (209 bytes) () 05/22/2010 postreply 07:15:12

• 回複： -liuyanghe- ♂ (369 bytes) () 05/22/2010 postreply 10:56:34

• Maxwell equations 服從能量守恒原理 -zhejiangbeijing- ♂ (758 bytes) () 05/22/2010 postreply 13:54:02