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John
@john811
51
Very passionate about Physics, the study of the laws of Nature. I hope to present to this community some of the most enchanting ideas in Physics.
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Location
Hong Kong
Created
2017-07-24 12:01
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john811
cn
2017-08-25 04:05
RE: 我想用师生情做标题，又觉得这么普通的标题配不上她
之後還有繼續研究數學嗎？哈哈
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john811
introducemyself
2017-08-25 04:03
RE: Hello Everyone! I am (half) a physicist. 大家好，我是（半個）物理人
What a coincidence! Nice to meet you g0nr0gue.
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john811
cn
2017-08-25 04:02
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
You're welcome!
john811
cn
2017-08-25 04:01
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Hi Steve, Sorry for the late reply. I must say what you said is very interesting, though I think if diffraction is gravitational effects then the observed diffraction pattern will not be vertical lines
john811
cn
2017-08-25 03:55
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
只發一個電子，最後就只能見到一顆電子。它會有機會在干涉圖案的其中一條直線上。這代表電子是一個粒子嗎？不。這只是代表了我們在某些情況下會看到電子是一顆粒子。然而當電子穿過雙縫時，它必然是一個波。
john811
cn
2017-08-16 10:09
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
@anonymint I hope you will find time to spend on this very interesting topic!
john811
cn
2017-08-16 10:08
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Thanks h0bby1 for your detailed comment! For me, it is hard to say whether fundamentally something is a particle or a wave. Wave-particle duality tells us that we can't really say one is more fundamental
john811
cn
2017-08-16 10:03
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
我居然沒有發現這事哈哈
john811
cn
2017-08-16 10:02
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
如果是一個一個電子發射出去，最後會在縫後的屏幕上發現一顆一顆的電子散佈在一條一條的直線上。這一條一條的直線就是干涉圖案。本文第五張圖片就是表達了這個現象 :)
john811
cn
2017-08-16 10:00
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
@bramlyapple I think you got this! Indeed Nature does not have to conform to our limited intuitions. We should perhaps think of an electron as sort-of-a localised wave packet that resembles both a wave
john811
cn
2017-08-16 09:54
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Many thanks alejandr0!
john811
cn
2017-08-16 09:46
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
You can think of wave as the process of transmitting energy through a medium, this is perfectly fine. Or, you can think of the wave as a manifestation of the energy being transmitted. These may just be
john811
cn
2017-08-16 09:38
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Cheers @nitesh9. Glad you enjoyed reading my post! :)
john811
cn
2017-08-15 15:23
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Sure. Thanks for letting me know biuiam!
john811
cn
2017-08-15 15:23
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
牛頓可説是物理學的始祖。他的定理還是非常牛的哈哈。
john811
cn
2017-08-15 15:19
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Hi biuiam, thanks for the kind reminder! All the images that I used are marked as 'free to use or share' by google. I will make sure that is 100% clear in the future. I will also cite sources when there
john811
cn
2017-08-15 15:15
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
謝謝。我也只能說我們身處的這個宇宙太神奇了。
john811
cn
2017-08-15 13:41
RE: 实习生勇斗性骚扰
正中紅心
john811
cn
2017-08-15 13:38
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Thanks so much @steemstem ! I'm quite new to steem. Please could you let me know how in other ways I can participate in steemSTEM activities? Also, what are the criteria for a post to be advertised by
john811
cn
2017-08-15 13:26
RE: Quantum Physics (I): Wave-Particle Duality 量子力學 （一）波粒二象性
Hi lemouth. Thanks for your kind words! I have recently graduated from a Maths/Physics degree, currently taking a break. So delighted to meet someone who writes about Physics! I shall check out your quantum
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