Someone here (but I don’t want to mention any names) whose moniker starts with an f PM’ed me asking if NDM was a quantum type product. Gentle readers, that actually is an interesting question, while I admit it does appear somewhat trollish. My answer was, it all depends on how you look at it. Now, I’m not the type of guy who throws the word quantum around frivolously. I Design and Manufacture many products that work quantum mechanically, five or six such products currently at last count. But I digress. Inasmuch as NDM involves absorption of light, both visible and invisible, is probably best described as operating by classical physics. Plus, the CD laser itself is a quantum device, a Quantum well. But the lines between quantum physics and Newtonian physics are getting rather blurry. So, I wouldn’t get too hung up on whether NDM is one or the other. I prefer not to let the Cat 🐈 out of the bag (as it were) as to how NDM works. It’s all very hush hush. Einstein never really got on board the quantum mechanics train 🚂 God doesn’t roll dice 🎲 🎲 . But he won the Nobel Prize for his early 1905 paper explaining the Photoelectric Effect, including the idea of quantization of light, a precursor to quantum mechanics 🧰. Ironic, huh? In 1887, Heinrich Hertz[2][3] discovered that electrodes illuminated with ultraviolet light create electric sparks more easily. In 1900, while studying black-body radiation, the German physicist Max Planck suggested that the energy carried by electromagnetic waves could only be released in "packets" of energy. In 1905, Albert Einstein published a paper advancing the hypothesis that light energy is carried in discrete quantized packets to explain experimental data from the photoelectric effect. This model contributed to the development of quantum mechanics. In 1914, Millikan’s experiment supported Einstein’s model of the photoelectric effect. Einstein was awarded the Nobel Prize in 1921 for "his discovery of the law of the photoelectric effect",[4] and Robert Millikan was awarded the Nobel Prize in 1923 for "his work on the elementary charge of electricity and on the photoelectric effect".[5] |
Yeah, we’re old buddies. PM your address.
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celander OP1,175 posts04-03-2019 6:32pmYep. Marking up some 3,000 CD’s is my version of fun. >>>>Totally unnecessary with NDM, obviously. It was unnecessary before actually, as my Codename Turquoise CD tray overlay was better than the Green Pen, replaced by NDM. |
mrdecibel1,345 posts04-03-2019 6:28pmThey should never have discontinued the green pens. Art stores have them. >>>>Green pens, sadly, only address 25% of the stray laser light, the red part. The other 75% is invisible, which is not (rpt not) amenable to the color green or any color. That’s why NDM is such a breakthrough. It absorbs the red part AND the invisible part. Hel-loo! |
ptss1,669 posts04-03-2019 6:06pmcant comment : as “they” say - if you have nothing good to say - say nothing... >>>>>Long time no see. When did they let you out? |
I had four sales from the fake review. Is that wrong? 😳
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The dead giveaway was, I’m without words.
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celander, I’m sure we’re all very excited about that. 😁
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Customer Y says his jaw hurts because he can’t stop grinning after installing New Dark Matter. Customer Y is a customer of Customer X. Customer Y’s system: Magnaplanar 2C
SVS subs, two
Amp - BWS Consulting Bendix output tubes modified Dynaco Stereo 70
Preamp - BWS Tube linestage with Lamda regulated power supplies from NASA radar installation
CD player - BWS modified Harmon Kardon 7725
DAC - BWS Modified Bel Canto DAC, BATTERY POWERED
INTERCONNECTS - custom, all silver
Tinned copper litz wire for power cords and speaker cables |
Yond Cassius doth protest too much, methinks.
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I believe the words he used were subtle but powerful. He also mentioned that the Grateful Dead Best Of guitar work sounded amazing. |
I just heard from customer X who told me his big Acoustats sounded great with 9. His big system, the classified one, has 11. I’m not saying 8 or 12 won’t be just as good.
You might try the two new ones farther away from the laser - near the outer boundaries of the transport surface. Since scattered light gets emitted out the outer edge of the CD. |
You are a very keen observer.
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I use the word “square” editorially. 😛
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I didn’t mean to imply 8 or 10 are magic numbers. But I did find out it can be overdone. That discovery was made on a classified system. The moral of the story is more is not better. It’s not necessary to cover the entire tray surface. The NDM is currently going out with 10. Subject to change without notice. Your patience is appreciated.
I now think 8-10 is great, less might be equal to or......
I see only 6 squares/rectangles in your photo of the top loader. Am I missing something? |
Looks OK. You should be good to go.
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By the way, I harbor no hard feelings toward George at all. He’s probably a good egg in the long run, that is if you like long runny eggs.
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thecarpathian172 posts03-02-2019 3:43pm@geoffkait, on my way to Theater Camp this morning, I found myself wondering if the material you use relies on surface plasmon resonances? >>>>>>Hmmmmmm....very interesting. 😳 |
The NDM needs to be close to where all the action is as the objective is to reduce the power of the scattered light inside the transport compartment below the level that can be detected by the photodetector which is 75% of full reflected beam. It’s more straightforward in front loaders because you can see, as you said the NDM is right where all the action is. However I think as anywhere inside the transport compartment should be OK. The entire transport compartment is lit up with scattered light, even though most of it is invisible. |
A quantum well is a potential well with only discrete energy values. The classic model used to demonstrate a quantum well is to confine particles, which were originally free to move in three dimensions, to two dimensions, by forcing them to occupy a planar region. The effects of quantum confinement take place when the quantum well thickness becomes comparable to the de Broglie wavelength of the carriers (generally electrons and holes), leading to energy levels called "energy subbands", i.e., the carriers can only have discrete energy values. The CD laser is an example of a Quantum well, for which particles are confined in two dimensions. The laser beam is emitted from the open, unconfined dimension when the Quantum well is excited by electrical stimulation. The active ingredient in the Intelligent Chip - Quantum Dots, I.e., “Artificial Atoms,” for which particles are confined in all 3 dimensions to the (nanoscale) de Broglie wavelength. A torrent of Photons is emitted in a chain reaction when the quantum dot is stimulated by external energy such as a laser. |
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The active NDM material, the small Super-thin squares, is not adhesive so Super-thin double-sided adhesive is necessary to attach the NDM to the upper surface of the CD tray. Total thickness NDM + double-sided adhesive less than 1/32”. Bingo Bango Bongo!
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Everything you need to know about NDM is on my main web page, top of the page.
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I suspect the word Earth should be capitalized, yes? |
Gosh, folks down in the Pacific islands sure are superstitious, Andy.
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celander OP904 posts02-16-2019 11:18pmThe difference George is that he doesn’t believe in his own snake oil. “The trick, colander, is not minding that it hurts.” - Lawrence if Arabia 🐪 |
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For top loaders: If you don’t have enough clearance for the 1/32” NDM between the data side of the CD and the transport surface above which the disc is spinning there’s something wrong with your CD player. Furthermore, even if there isn’t enough clearance, which I doubt, the NDM will be effective ANYWHERE inside the CD transport compartment since the scattered light is filling up the entire space inside the compartment, lighting it up like a Christmas tree. NDM is not limited to the gap between the disc and the transport.
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Not to worry. I wouldn’t have sold it to you anyway. Have a nice day.
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calabder, yes, the NDM will eat your CDs, destroy the magnetic clamp and ignite your transport, causing it to explode in a massive radioactive fireball. So, yes, you’re right to worry. |
Let me ask you straight up, glubson. Have you been dipping into the brownies again?
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I totally get it. You’re tone deaf AND color blind. But you’re probably lucky in love. 🥰 |
That’s very good, stevecham. But why is the sky blue? If our vision falls off after 625 nm how can 650 nm be visible red?
Pop quiz: what color is a Blu Ray laser?
part 2: what’s the complementary (absorbing) color for the Blu Ray laser scattered light? |
Peter Belt passed away almost two years to the day at the age of 87. Both Peter and May are the nicest most generous people you ever want to meet. There is one thing though, they are quite confident and not at all shy when arguing sound and audio. Peter Belt was more like Michael Green than one would imagine since before he got involved with things that go bump in the hight he was a designer in the high end audio industry in UK, in particular ortho something speakers. They were both most generous in allowing me to use their ideas many times. I am probably their biggest fan, in fact I’m quite sure of that. There’s a whole other world, waiting out there. A world perhaps best suited to the more adventurous audiophile. 😛 The last time I looked Peter Belt’s Cream Electret and Silver Rainbow Foils were on Stereophile’s Recommended Components.
Yeah ten thousand dollars, go have some fun
Put it all on at a hundred to one
Hang fire, hang fire, hang fire, put it on the wire, baby
Doo doo
Doo doo, hang fire, hang fire put it on the wire
Hang fire, hang fire, hang fire, hang fire
Put it on the wire, baby
Put it on the wire |
michaelgreenaudio
This isn’t the end of the story because what I was missing several years ago is something I have always made a part of my life’s work but somehow wasn’t able to read between the lines because I was trying to understand two people in particular through my eyes instead of theirs. My moto is "everything affects everything else" and as much as I understood this with Tuning in the case of Geoff and May I wasn’t grasping this humanly. On one side I was faithful to both of them and on my own did the experiments they suggested. When I was asked about the results I gave a faithful account. When not asked I didn’t volunteer but still did the testing. I did the listening tests because it’s important to me to be in the know. I don’t necessarily care about someone else’s physics...
>>>>>>It may may amuse you to know, I don’t know, maybe it will surprise you or even shock you, but back in those halcyon days over on Stereophile whenever May sat at her computer composing her posts Peter Belt was sitting right next to her. May is like an animal when she gets going. You were lucky to come out of it in one piece. 🐥
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celander OP890 posts02-11-2019 2:57pmYeah, I worry about using these thingies in a magnetically-clamped top-loader set up. Seems like doom and gloom would arise. This sort of post should cause Geoff to arise and speak about the perils. >>>You worry too much. NDM is not magnetic. Why would you think it was? Fear of the unknown? Besides, don’t you think a magnetically clamping device is inherently a very bad idea. Hel-loo! NDM is suitable for all CD, DVD, SACD, BLU RAY players with trays or top loaders. I’m not trying to set the world on fire, just start a flame in a few hearts. |
mapman15,663 posts02-09-2019 11:40amBad behavior is bad behavior. Most will and should give benefit of the doubt and accept apologies for bad behavior if offered. Otherwise if it walks like a duck.......
Being funny in the process does not transform dishonesty and contempt into something acceptable. It is just a further form of dishonesty and contempt.
Sorry not buying it.
>>>>What on Earth are you ranting about now? |
ieales284 posts02-11-2019 11:57am@millercarbon: Since no one mentioned the science, the LED light is focused and polarized. By design, it takes care of all this "green sharpie" style nonsense on its own. >>>>>Huh? Nobody said the CD laser (it’s not an LED) is not focused or polarized. Specifically the laser is a “Quantum well.” The reason the CD laser beam is focused is because it’s coherent light. Polarized light would not be immune to the Green Pen, anyway. It’s the wavelength of the light that’s the issue. |
It was actually the big ol’ Bumblebee 🐝 that had the reputation it was too heavy and it’s wings too small to fly. Kind of like the Space Shuttle, the Flying Brick 🧱
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aolmrd1241756 posts02-14-2019 11:27amI made the decision that ndm is not going to make the grade in my system.Just to dark sounding for my tastes. If you own a cd player that is a bit aggressive in the treble region,this may be just the ticket for you. >>>>That’s weird, everyone else hears more air, more shimmering sparkling high frequencies, much more information and much better bass performance. Oh, well, I take the sweet and sour. 😝 Every system is different. 😬 Let’s not forget, there are many reasons some people don’t get the results they were expecting with tweaks, generally speaking. |
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