User talk:ArnoldReinhold

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Vernam cipher[edit]

Moved to Talk:Vernam cipher

Multilicensing[edit]

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1460 redirect[edit]

Changing the redirect was a better fix. Thanks

Martin Meehan[edit]

Your return to the Martin Meehan discussion page and the one sentence matter would be appreciated.

TUSC token 7d41a0a631ba136cc7b630b8075bb5f4[edit]

I am now proud owner of a TUSC account!

TUSC token fc72bc76192deefa51770d12f0af6fc0[edit]

I am now owner of a TUSC account

Consider unblocking me or commenting my RFC/U[edit]

Dear ArnoldReinhold, excuse me for IP-based block evading at your page, but I've been left no choice to communicate with my fellow editors. I am going to ask you to consider unblocking me. I've been blocked for close to two years on a charge of sockpuppetry. I simply didn't do it. I cleanstarted (WP:CLEANSTART) for privacy reasons. You use your real name here and I suppose you're comfortable with that. At times online, I've come into contact with argumentative sorts, even "creepers," that are fond of Googling their adversaries and finding them on social networks and so forth, posting what they find to make their targets uncomfortable or perhaps embarrassed (say, by a picture from Facebook that was only intended for friends). You made a different call, but I wanted a Wikipedia account in which the snoopy sniffers could not so easily track me off Wikipedia. My former account was vulnerable to that, so that was why I switched to this: Colton Cosmic. Anyhow, Timotheus Canens without warning, diffs, or discussion, permanently blocked me as a sockpuppet. Somewhat insultingly I find, he merely gave me a link to "WP:ILLEGIT." After that what seems to me to be an immense volume of blockamaniacs started following me around, suspicion-mongering and haranguing and so forth. They sabotage any effort I make to be unblocked. Most recently at my RFC/U: [1]. That tells the whole long terrible story of Colton Cosmic, if you've got 15 minutes to spare. My long-time critics plastered a lot of negative comments there. Do not assess those "outside viewpoints" necessarily as people who routinely participate in RFC/Us, rather it is my habitual critics that watchlisted my talkpage over my objections and followed me to the RFC/U to criticize me some more.

Arnold, I don't know if it was actually what prompted Timotheus, but I did slip up on civility and say to Nomoskedasticity that he or she was a provocateur whose Wikipedia activity consisted of tattling on editors for this and that at WP:AN/ANI and racking up an high personal score of victims. While in substance I think there's some truth to that, there may or may not be another more constructive side to Nomo. and I shouldn't have spoken so sharply. Fair enough. But an instance of inordinately sharp criticism doesn't mean I should be blocked forever. Which was exactly what Wormthatturned told me in email, he said my remark showed conclusively that I am WP:NOTHERE "not here to build an encyclopedia." With no apparent consideration to my constructive edits and articles I created he seeks to distill my Wikipedia participation to a single edit where I stepped over WP:CIV line: [2] (the "provocateur" part). What's not evident there is the backstory: I had a couple days earlier read Youreallycan complain of being wikihounded by Nomo. for a time period of no less than two years, partly explained here: [3]. Youreallycan made a "please just leave me alone" plea that had a plaintive quality to it. And then there a day or whatever later, is Nomo. calling for Youreallycan to be blocked at WP:AN/ANI. I viewed myself, right or wrong, as confronting a cyberbully.

Anyhow, why'd I come to you? I picked a name randomly from the list of administrators, well I actually meant to pick one from under "B" but for some reason I clicked you. I then checked that you were recently active. That's about it. I did look at your homepage that you link, though perhaps we might have common interests but I didn't notice any. You're Jewish, I'm not. It seems like a fascinatingly complex religion to me. I get Hebrew National hotdogs, haha! I like kosher foods because to me that means "rules" and I like those that make the food I eat to have rules in preparing it. On a darker note for some reason I wanted several months ago to find out what a "mamzer" is, so I explored that aspect of Judaism briefly. I don't know if I care for the rules governing mamzers as much, they seem kind of harsh. What else? Your interests in old computers we sort of share. I am more interested in computers of the vintage where they resembled what they are today: computer, keyboard, and monitor. Atari 800 and so forth.

I'm running too long again. Sorry for putting all this verbiage on your talkpage. If you'll unblock me, great, but you'll get flak from those editors and administrators that view me as a menace. Honestly, they make me feel like Hannibal Lecter sometimes, and I'm like "why?" If defending me is too much of an undertaking, no offense taken of course, but do consider leaving a viewpoint at the RFC/U. This is Colton Cosmic.

September 2014[edit]

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What was the RAMAC price and capacity?[edit]

You are invited to join the discussion at Talk:Hard_disk_drive#An_End_To_The_RAMAC_Price_Duologue. Please help end the duologue on capacity and price of the IBM RAMAC Model 350 disk file. Thanks. Tom94022 (talk) 21:47, 4 September 2014 (UTC)

What is the capacity of a CD-ROM[edit]

Hi Arnold So my counter question, here, so as to not further gum up the HDD talk page is, What is the capacity of a 650 MB CD-ROM?

From a data interface viewpoint it is channel bit serial just like the 350. At some point the analog signal is converted to channel bits and then further up the data channel to characters and then finally verified, 6 bit characters in the 350 and 8 bit bytes in the CD-ROM. The information below is extracted from The New Papyrus regarding the CD-ROM

The CD-ROM records in blocks of 2048 data bytes. To the 2048 data bytes the controller adds 304 bytes of gap and check bytes for a total of 2352 channel bytes per data block. It then encodes them using an 8-bit to 14-bit code to which it adds 2 merging bits so that each channel byte is in fact recorded as 2 encoded channel bytes. The net result is for each 2048 block of data bytes = 16,384 data bits there are 2352*16 = 37,632 channel bits, a ratio of 2.3 channel bits to 1 data bit. Note that each data byte is represented by 16 channel bits; as I follow your reasoning, there is nothing that stops one from replacing those 16 channel bits with two data bytes.

A 650 MB CD-ROM has precisely 333,000 blocks of 2048 data bytes but if I were to use some of the gap or check bits for data I could store as much as 1.4 GB on the medium - so why can't I say the CD-ROM is 1.4 GB? Or better yet, go into the business of making drives with controllers that do so, for BlueRay of course? Tom94022 (talk) 20:38, 12 September 2014 (UTC)

Hi Tom,
The interface between your CD-ROM drive and the computer only presents up to 650 MB to the computer. If there were a "raw mode" in the controller that let you access the gap or check bits, then yes it would arguably have higher capacity and likely someone would have found an application for that, maybe storing surveillance video where an occasional dropout might be a fair trade off for greater capacity. In the case of the 305 RAMAC system, the 350 disk drive presented a 7-bit data path to the CPU; the 350 neither knew nor cared that one of those bits was a parity bit. Hooked to another machine it could have stored 7 bits of data, and apparently the IBM 650 version used those 7 bits to store biquinary digits. Again, I'm not saying this is the only way to look at the 350's capacity, only that it is a legitimate viewpoint.--agr (talk) 21:50, 12 September 2014 (UTC)
Hi Arnold
I'm pretty sure the 350 presented a bit serial interface to its controller just like the ST506, but let me check. Tom94022 (talk) 22:38, 12 September 2014 (UTC)
Figures 84 and 85 of the IBM's CE manual show a single write bit in and a single read bit out, a bit serial interface just like most drives until the 1990s. I've asked my friends at the RAMAC Restoration project to confirm but I'm pretty sure that's the way it was. Actually I think the whole machine was bit serial to keep hardware cost down, but I could be wrong on this point.
I could buy a BluRay mechanism and do my own data channel controller operating on the "raw" mode coming in/out of the single head. So should I go out and raise money based upon your assurances that I can freely substitute data bits for channel bits? :-)
I agree that the 355 probably used 7 channel bits to represent the equivalent of 4 data bits which means it was less efficient than the 350 channel code and therefore had a lower equivalent information content, other wise known as capacity, 3 MB vs 3.75 MB. You can always put a lesser amount of information into a channel than its known capacity, but not more with out running the risk of exceeding the channels capacity and loosing information. But this is at this point original research. Tom94022 (talk) 23:26, 12 September 2014 (UTC)
The data coming off a BlueRay read/write head is an analog stream requiring a very substantial amount of processing to recover a digital data. The signal coming off an 350 cable connectors, as I understand it, is a digital bit stream that would be trivial to interface to a modern computer. That is the difference. The 355 example shows the the basic drive is agnostic as to the format of the bits it is storing. If you want to talk information content, the 350 is only storing characters from an alphabet of 48 symbols. That is only 5.61 bits per character, not 6. So from a Shannon information content point of view, the capacity of the 350 is equivalent to 3.49 million octets, not 3.75MB. Again there is no one right answer here.--agr (talk) 20:12, 14 September 2014 (UTC)


The data coming off the RAMAC read/write head is an analog stream requiring a very substantial amount of processing by 1956 standards to recover digital data; u might want to read "A Self-Clocking System for Information Transfer" L.D. Seader, IBM JRD, April 1957, which has sketches of the analog and digital signals. To my eye they don't look a lot different than today's signals - just way lower frequency. The signal out of the BlueRay channel is at one point a digital bit stream that would be trivial to interface to any computer. There is no difference other than time differences in technology and that in the BluRay case the digital bit stream is not exposed - it is there and is just a pair of wires!
I'm pretty sure Shannon would not understand 0.61 bit. I do agree with you that at the drive interface it is not possible to distinguish one bit from another, but that is only true in the absence of format information. IBM tells us their format includes 6 data bits and elsewhere they tell us the 6 data bits map to 48 states leaving 16 undefined states. The fact that states are undefined does not mean they are not available and therefore the information content remains 6 bits. There is probably some information theory law of conservation that states something like the information content of a state space is that minimum number of bits whose number of states exceed the number of valid states in the state space. That's how channel encoding works, regardless of whether it is a disk recording channel or a communications channel. Tom94022 (talk) 20:43, 14 September 2014 (UTC)
The information content of a state space is not the minimum number of bits whose number of states exceed the number of valid states in the state space. Shannon defines it as the base-2 logarithm of the number of valid states in the state space. (Log2(48) = 5.58496250072... so it's 5.58 bits per IBM 305 character, not 5.61, my bad). In the case of the IBM 650, each decimal digit is log2(10)=3.321928... bits. I'll let Shannon speak for himself. He explains measuring information as a fractional number of bits at the bottom of page 1 of http://cm.bell-labs.com/cm/ms/what/shannonday/shannon1948.pdf --agr (talk) 12:06, 15 September 2014 (UTC)
My bad too. Thanks for the lesson on information theory (error admitted above). I won't bother to read the Shannon since IBM put no constraint on the use of the 6 data bits at the interface to the 350 the information content of the 350 is 30 million unconstrained bits = 3.75 MB. If IBM sold the 350 to an OEM, he/she using the 350 in accordance with IBMs implicit specifications would have unconstrained use of the 6 data bits/character available at the interface. The fact that IBM then constrained a character's use in the 305 could be interpreted to mean the 350 as used by IBM on the 305 was only a 3.49 MB drive (on an information theory basis). Note the parenthesis - IBM never said this so it is qualified for understanding! This is very interesting original research, not usable in Wikipedia, but further indication of the obvious factual inaccuracy of any number other than 3.75. The same analysis applied to the 355 gives an IT capacity of 2.49 MB, not 3 MB on a 4 bit/digit basis (the minimum practical number of bits/digit) nor 5.25 MB (7 channel bits/digit). Again note how each capacity value is qualified. To paraphrase Voltaire's purported statement, we need to define our terms to have a meaningful conversation. If you would publish this research in a reliable source then I would be happy to add it as footnotes to the 305 and 650 articles where the constraint applied.
BTW, since as I understand it fractional bits do not exist maybe it is some sort of information entropy requirement that the number of bits necessary and sufficient to define a state space of M states is the smallest n where M <= 2n. but maybe not :-). That's the way an engineer would do it but maybe a scientist could figure out a way to use the unused states :-).
Thanks, this has been very useful in helping me clearly understand why 3.75 is the only usable value in Wikipedia which I will shortly explain on the HDD Talk page, so before replying here, please give me time to boil it down there. And I withdraw the CD-ROM question :=)! Tom94022 (talk) 17:07, 15 September 2014 (UTC)

October 2014[edit]

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copyright[edit]

Hello, one of the pictures that you took (punch-card) had a satisfiable level of quality that I would be so glad to share it inside my book. Link: http://en.wikipedia.org/wiki/Punched_card#mediaviewer/File:IBM1130CopyCard.agr.jpg If there is any copyright issues then you can inform me during next few days. Thanks again for your work, Lt. Ghasemi 88.226.93.94 (talk) 19:39, 22 November 2014 (UTC)

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Astromony, Star Wars, and naming[edit]

Maybe you need to start picking names that can be remembered better by readers. The name J1040n sounds random. As a new user I boldly renamed it but it's likely to be disputed so I am letting you know if the rename is undone I wouldn't mind. Slimer5Buster (talk) 12:29, 29 January 2015 (UTC)

Welcome to Wikipedia and thanks for pitching in and, yes, I've undone your creative name change. While Wikipedia is a place where anyone can edit, we have lots of rules, especially about article titles. See eg Wikipedia:NCASTRO. And though bold is good, when a talk discussion is under way it's better to participate and wait for a consensus to emerge.--agr (talk) 13:12, 29 January 2015 (UTC)

Mechanical counter listed at Redirects for discussion[edit]

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Nomination of AirTrain LaGuardia for deletion[edit]

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Reverting at Square root of 2[edit]

Meanwhile I've been haunted by STiki for making your explanatory statement on the notability of this derived constant available to the public. I admit that I consider this given reason to revert me the first time as a mockery, and that my reaction to this might possibly be inappropriate. I am however still convinced, that 1/\sqrt{2} is in no way noteable, and should be removed again, but I am also certainly not sufficiently engaged to start an edit war on this.

I just really do not want to be seen near vandalizing. Purgy (talk) 16:06, 22 May 2015 (UTC)

As I pointed out at Talk:Square root of 2 I found the reference refuting my claim after I made the edit. No mocking was intended. You have a reasonable argument, my judgement differs, but I respect your position and your efforts to improve Wikipedia.--agr (talk) 03:00, 26 May 2015 (UTC)
Cordial thanks for your kind words. Here's to a better Wikipedia! ;) Purgy (talk) 08:27, 26 May 2015 (UTC)

Merger discussion for Radar imaging[edit]

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Arizona State Legislature v. Arizona Independent Redistricting Comm'n[edit]

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Weak interaction in the sun.[edit]

Beta decay is via the weak interaction, and that has to happen in some of the steps in the sun. That is, whenever there is a proton <--> neutron transmutation. The fusion reactions such as D+D and D+T normally don't involve beta decay. Gah4 (talk) 21:15, 27 July 2015 (UTC)

Thanks for the clarification.--agr (talk) 17:10, 31 July 2015 (UTC)

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