L&FP, 65: So, you think you understand the double slit experiment? (HT, Q & BA77)

_{kairosfocus

February 5, 2023

Academic Freedom, Logic and Reason, Physics}

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So, here we go:

And, the rise of solid state laser pointers makes this sort of exercise so much easier, BUT YOU MUST BE CAREFUL NOT TO GET SUCH A BRIGHT SOURCE INTO YOUR EYE AS THIS MAY CAUSE RETINAL BURNS THUS BLIND SPOTS. (I recall, buying and assembling a kit He-Ne laser to have this exercise for my High School students. We had a ball, using metre sticks stuck to a screen with blu-tack, to observe and measure effects from several metres away.)

So, now, what about, electrons:

Notice, the pattern here builds up statistically, one spot at a time.

Then, HT BA77 way back, here is Dr Quantum:

Now, if you think you have it all figured out, think again, and again, and again. KF

Comments

PyrrhoManiac1: the only reason why anyone promotes evolution is because we want to rationalize having our godless drug-fueled orgies. Really? I missed the orgies. What have I done wrong?JVL_{February 9, 2023
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Asauber: Obviously, there are differing views. But that’s not the issue. The issue is why, when everyone is supposedly looking at the same information. I agree. Are you not interested in why the disagreement arises? I'm interested. Is your answer that clearly those who disagree with you are delusional or blinded by an ideology? Or are you willing to accept that maybe they are intelligent and thoughtful people who have come to a different conclusion from your own?JVL_{February 9, 2023
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Asauber: I don’t think we can have an honest dialogue currently, for reasons set forth above. Because I disagree with you and you think the only possible way for me to disagree with you is to be dishonest and to ignore some of the data? Is that right?JVL_{February 9, 2023
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JVL @129: LOLWilliam J Murray_{February 9, 2023
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Apparently, KF only gives a &$#% about staying on-topic when certain people are discussing certain things in his posts. Let me see if I can steer my experiential reality into a KF-free area ....William J Murray_{February 9, 2023
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"Does anyone here actually want to acknowledge that there are differing views?" JVL, Obviously, there are differing views. But that's not the issue. The issue is why, when everyone is supposedly looking at the same information. Andrewasauber_{February 9, 2023
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@157
Do you want a dialogue or not?
Do you seriously imagine that anyone here actually wants a dialogue? For most people here, it's an article of faith that evolution is a failed theory, that design theory is obviously true, and the only reason why anyone promotes evolution is because we want to rationalize having our godless drug-fueled orgies. In other words, from their point of view, you and I cannot be arguing in good faith. The kind of polite, respectful dialogue you indicated in 124 is not going to happen at Uncommon Descent. If that's what you want, Uncommon Descent will bring you nothing but disappointment and aggravation.PyrrhoManiac1_{February 9, 2023
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It is clear that my point about being labelled and treated as delusional or mad or manipulative has been shown to be the case based on this thread alone. Is that the consensus view here? Does anyone here actually want to acknowledge that there are differing views?JVL_{February 9, 2023
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"Do you want a dialogue or not?" JVL, I don't think we can have an honest dialogue currently, for reasons set forth above. We can have exchanges, a la (metaphorical) artillery fire. I'm OK with that. Andrewasauber_{February 9, 2023
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Relatd: You do realize that unguided evolution is a failed theory? You really do not want a dialogue. You have made up your mind. Why should I try to continue to have a conversation with you? A scientific conversation?JVL_{February 9, 2023
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Asauber: Deep in the Mists of The Past, Millions and Millions of Millions of Eons ago, Evolution Emerged, did some heavy lifting and POOF! Here we are. If you want to have a discussion about unguided evolutionary theory then fine. But if you're just going to make fun of it and deride it ahead of time then . . . why should I bother? Do you want a dialogue or not?JVL_{February 9, 2023
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JVL at 154, So, you are a member of the Evolution Defense Force. You do realize that unguided evolution is a failed theory? That its only apparent function today is to convince people that nobody made them? That atheism is true? You are not promoting science, just a belief. • 'The Church “proclaims that by the light of reason the human intellect can readily and clearly discern purpose and design in the natural world, including the world of living things.” • “Any system of thought that denies or seeks to explain away the overwhelming evidence for design in biology is ideology, not science.” "Christoph Cardinal Schönborn is archbishop of Vienna and general editor of the Catechism of the Catholic Church."relatd_{February 9, 2023
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AnimatedDust: But the fact that you are here and remain here is no longer to inquire with an open mind, as you said you initially did. That doesn't quite make sense. Now you are witnessing for your faith in the Darwinian Church. There is no theology involved. No matter what you assume. You’re a preacher, an evangelist, for Archbishop Dawkins. Again, see the assumptions made regarding me and my views.JVL_{February 9, 2023
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Relatd: Why not? How did living things come to look the way they do? I accept the standard, unguided, evolutionary theory as being the best explanation for what we see and observe as far as life on Earth is concerned. But you surely knew or anticipated that so I'm at a bit of a loss to explain you line of questioning. But, go ahead.JVL_{February 9, 2023
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I for one don't think you're evil for not seeing the evidence as I do. But the fact that you are here and remain here is no longer to inquire with an open mind, as you said you initially did. Now you are witnessing for your faith in the Darwinian Church. It's no secret that Darwin was very angry with God. Several of his children died in childhood. Who wouldn't be? Don't know what keeps you here, as you've admitted tedium. But, it's pretty clear. You're a preacher, an evangelist, for Archbishop Dawkins. The irony is delicious. :)AnimatedDust_{February 9, 2023
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"How did living things come to look the way they do?" No, please... let me... Deep in the Mists of The Past, Millions and Millions of Millions of Eons ago, Evolution Emerged, did some heavy lifting and POOF! Here we are. Andrewasauber_{February 9, 2023
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JVL at 149, "I don’t think they are designed." Why not? How did living things come to look the way they do?relatd_{February 9, 2023
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AnimatedDust: So why do you? Participate in this forum? Or . . . it would be good if you could be more specific.JVL_{February 9, 2023
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Relatd: Are living things actually designed? Yes or no. I don't think they are designed.JVL_{February 9, 2023
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Relatd: You’re being dishonest again. You’ve seen the evidence for ID. You don’t care. You are part of the Evolution Defense Force and you will say anything to keep that failed idea afloat here. Keep it up. Someone will call you out on it. I have seen the evidence and didn't find it convincing. You have a with us or against us attitude. And then you label those who disagree with you as being dishonest or mad or manipulative. You cannot accept that an intelligent person might come to a different conclusion from you. Is that an honest, objective scientific attitude? Can your view accept dissension? Or its is always right or so wrong you're evil?JVL_{February 9, 2023
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JVL at 139: So why do you?AnimatedDust_{February 9, 2023
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JVL at 144, OK. Answer the following: Are living things actually designed? Yes or no.relatd_{February 9, 2023
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F/N: I ran across this at Arxiv -- recall, a physics preprints site: https://arxiv.org/abs/1509.04711
Interpretations of quantum theory: A map of madness Adán Cabello Motivated by some recent news, a journalist asks a group of physicists: "What's the meaning of the violation of Bell's inequality?" One physicist answers: "It means that non-locality is an established fact". Another says: "There is no non-locality; the message is that measurement outcomes are irreducibly random". A third one says: "It cannot be answered simply on purely physical grounds, the answer requires an act of metaphysical judgement". Puzzled by the answers, the journalist keeps asking questions about quantum theory: "What is teleported in quantum teleportation?" "How does a quantum computer really work?" Shockingly, for each of these questions, the journalist obtains a variety of answers which, in many cases, are mutually exclusive. At the end of the day, the journalist asks: "How do you plan to make progress if, after 90 years of quantum theory, you still don't know what it means? How can you possibly identify the physical principles of quantum theory or expand quantum theory into gravity if you don't agree on what quantum theory is about?" Here we argue that it is becoming urgent to solve this too long lasting problem. For that, we point out that the interpretations of quantum theory are, essentially, of two types and that these two types are so radically different that there must be experiments that, when analyzed outside the framework of quantum theory, lead to different empirically testable predictions. Arguably, even if these experiments do not end the discussion, they will add new elements to the list of strange properties that some interpretations must have, therefore they will indirectly support those interpretations that do not need to have all these strange properties.
As in . . . KFkairosfocus_{February 9, 2023
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Relatd: But those against ID have no choice but to put up a fight. Whether it makes sense or not. Again, you are so convinced of your own position that you assume that anyone who disagrees with you must be ideologically motivated. You cannot see how any intelligent person can look at the same data as you and yet come to a different conclusion. I am willing to acknowledge that you see things differently from me. And I don't assume you are dishonest or foolish or delusional. Can you at the very least extend the same courtesy to me?JVL_{February 9, 2023
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"you are just noticing that now" Jerry, No. JVL and I have had several exchanges over the last year already related to this one. It won't be the last either, because *I'm* trying to keep it real. ;) Andrewasauber_{February 9, 2023
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JVL, yes, that message of humility needs to soak in. BTW, IIRC, it is about five main schools of thought, Copenhagen, Many Worlds, De Broglie-Bohm pilot wave, information theories, and of course shaddup and calculate (sub school, take off yer shoes to get ten more to count with*). Mix and match, with other views and sub views. KF *PS, in actuality, many of these in the old days would have counted as human computers, a now vanished job category. More reliable and faster than calculating machines. When my dad finally gave in and got a calculator he was still checking it in his head. I wondered why he bothered, I guess people expected to see a machine.kairosfocus_{February 9, 2023
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JVL at 139, "I've been SO abused!" Cut the [SNIP]...relatd_{February 9, 2023
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JVL at 138, Hey. You responded to the wrong person. So, before you start on an attempt to Solve ALL The World's Problems, stick to the subject. You're being dishonest again. You've seen the evidence for ID. You don't care. You are part of the Evolution Defense Force and you will say anything to keep that failed idea afloat here. Keep it up. Someone will call you out on it.relatd_{February 9, 2023
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AnimatedDust: It can only mean willful disregard of the evidence. You don’t see it because you refuse to see it. The pride is strong with this one… Again, (tip of the hat to Asauber), just because I disagree with you why do you assume I am ignorant or blinded by ideology? This is a constant chord played by commenters here. It's tiring to fight against that all day every day.JVL_{February 9, 2023
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Asauber: Everything can’t be a compromise. I didn't say that it should be. So your not-honest attempt at some stupid idea can’t happen, like ‘I don’t want 2 + 2 = 4. Let’s compromise and make it 4 1/2.” Really? I didn't mean we 'should' find a compromise. I meant we should try and spend time understanding each other's viewpoint. It's pretty clear we are not going to agree on certain topics but that doesn't mean we can't spend time being clear about what the other person believes. I'd like to think that understanding each other is the first step on the road to dealing with some common societal issues. If I really understand your view then I'm less likely to forgo it when support a change in legislation for example. That’s what you’re proposing. It can’t work because it doesn’t work. That's not what I am proposing. I'm just asking for consideration. In the past, on this forum, when I have tried to explain my view and why I hold it I have frequently been met with derision and abuse. That I do not understand. If I just wanted to abuse ID proponents then I wouldn't be participating in a conversation with you. I expect you to be honest and I assume you expect me to be honest. And I'd like to think that UD could rise above the rabble and noise.JVL_{February 9, 2023
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