作者查詢 / chungweitw
作者 chungweitw 在 PTT [ Physics ] 看板的留言(推文), 共3860則
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5F→: No, d is half of your value. √5λ/2a is correct06/26 00:14
2F→:時間停止器早就有了06/24 13:26
4F推:good..06/22 01:59
5F推:兩條長直導線通電流相互吸引. 磁力不做功, 但是導線獲06/15 10:33
6F→:得動能. 這能量哪邊來的? Ans: 供電器 (電池)06/15 10:33
7F→:這邊一樣. 你要把產生磁場的設備考慮進去. e.g. 螺線06/15 10:35
8F→:管. 螺線管獲得的動能就是從接螺線管的電池來的06/15 10:35
10F→:裡面的 spin alignment 會改變06/16 23:57
11F→:來自於上方電子運動產生的磁場06/16 23:59
12F推:我習慣把QM的翻譯成 第一類量子化. 2nd quantization06/15 00:07
13F→:則是第二類量子化06/15 00:07
14F→:當然, 每人定義不同. 不過, 顯然不是再做一次 (第二次)06/15 00:08
15F→:量子化06/15 00:08
2F推:Conclusion: 1. impressive; 2. not an open problem06/11 23:26
24F→:但是接線鬆脫這原因是有點離譜就是06/10 00:55
25F→:如果是根本的測量解讀原因造成此結果, 讓對速度的量測06/10 01:00
26F→:有重新的認識和理解, 就算之後發現仍然低於光速, 那我06/10 01:00
27F→:想, 就是很好的研究06/10 01:00
28F→:Einstein 那個就有點像這種情況06/10 01:01
29F→:和接線鬆動的情況是很不同的06/10 01:02
4F推:Hint: If v=0, g = const* u05/28 00:43
1F→:我找了老半天, 沒有一篇新聞有提到是甚麼難題05/27 09:34
4F推:我是第二種05/26 09:46