Mr. Clean Magic Eraser sponge is a cleaning product that has gained popularity for its ability to remove stubborn stains and dirt from various surfaces. The Magic Eraser is a versatile sponge that can be used on a wide range of surfaces, including walls, floors, countertops, appliances, and even car interiors. It is made up of melamine foam, which has small open cells that help in effective cleaning. The Magic Eraser sponge works by using its abrasive texture to remove grime and dirt from surfaces. It is activated by moistening the sponge with water, which helps to create a cleaning foam.
$\begingroup$ . like when we try and measure which slit the electron went thru . the electron can't make the pattern as it got entangled with a photon on its way. Please note that the electron still has has wave properties but now its wave properties are brand new having nothing to do with the constraints the double slit and screen put on the electron initially . the intended path(s) that were to create the pattern are destroyed, the electron is now free to find a new path unconstrained, i.e. no pattern. $\endgroup$
What if we just let all the entangled particles going towards the right side diagram just travel off to outer space in a way that no one can ever detect them. But please know in the official DCQE experiment a coincidence circuit was used to observe the interference and there was never a screen, they used a scanning detector for D0.
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Delayed choice without detectors, and with lasers instead
I am mostly basing my understanding on this video https://www.youtube.com/watch?v=RQv5CVELG3U (I also have a background in lasers, and a tiny bit of undergraduate QM but nothing too profound) I can understand why the interference pattern is destroyed when we measure the photons using detectors D1 or D2 in this diagram. The detection of an entangled photon at D1 or D2 gives conclusive evidence regarding which slit the entangled photon took, so there will be certain that there will be no interference pattern. Similarly, the distributions of the particles associated with the "erasure" detectors D3 and D4 (shown in the video but not the image above) are completely reasonable to me. My question is, what if there are no detectors at all? What if we just let all the entangled particles going towards the right side diagram just travel off to outer space in a way that no one can ever detect them? Or put a crude black obstruction that would absorb the photons in a way that no one can recover the which way information? From the sources I read, I get the impression that no matter what you do with the entangled photons going to the right side of the diagram, the total pattern on the screen will be the sum of two non-interacting single slits - in other words no interference. This leads me to conclude the "crystal" placed after the slits is responsible for destroying interference. The way I see it, the mere existence of that crystal after the slits is profoundly altering the wavefunction of the photon. As soon as the crystal "works its magic", any hope of interference is forever destroyed right then and there. (How accurate is this statement? I am talking about an interference pattern created by all the photons. I am well aware that if we select a subset of photons by an informed matter, for example using detector D3, we could see a pattern.) What is this crystal doing, and why do so many explanations completely omit the seemingly crucial part it plays? A follow-up question: What if we used a laser that generates many particles, rather than a single particle generator? The right side of the experiment still goes off to infinity where they can never be detected. Do we expect to see an interference pattern in this case? I see no reason the laser case should be different, so no interference. But if we do not observe an interference, will it even be a "laser" beam coming out of the crystal? I asked many questions, and please feel free to engage with whichever ones you think will be useful for clarifying my misconceptions.
- quantum-mechanics
- quantum-entanglement
- laser
- interference
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Reviews for "The Mr. Clean Magic Eraser Sponge: The Perfect Cleaning Companion for Professionals"
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