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| | Is there any evidence of Roman ships using lead for ballast? I know it was used as a structural metal and utility metal (sheathing, seam sealing, anchors, tools). It was also carried as cargo. But it seems likely that Roman lead was too expensive to be used as ballast, particularly compared to, say, rocks or concrete. (Note that loading cargo low in the hull is not ballast, cargo is there because you want to move it, ballast is there only to keep the boat upright.)[[Special:Contributions/173.245.54.187|173.245.54.187]] 18:08, 19 June 2020 (UTC) | | Is there any evidence of Roman ships using lead for ballast? I know it was used as a structural metal and utility metal (sheathing, seam sealing, anchors, tools). It was also carried as cargo. But it seems likely that Roman lead was too expensive to be used as ballast, particularly compared to, say, rocks or concrete. (Note that loading cargo low in the hull is not ballast, cargo is there because you want to move it, ballast is there only to keep the boat upright.)[[Special:Contributions/173.245.54.187|173.245.54.187]] 18:08, 19 June 2020 (UTC) |
| − | :The Romans used lead as a sweetener, I think they had plenty. --[[Special:Contributions/162.158.106.178|162.158.106.178]] 08:06, 20 June 2020 (UTC)
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| − | ::The references I found to modern use of Roman lead referred to ingots from Roman cargo. [https://phys.org/news/2013-11-controversy-roman-ingots-dark-neutrinos.html Controversy over the use of Roman ingots to investigate dark matter and neutrinos][https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1095-9270.2007.00145.x Lead Use on Roman Ships and its Environmental Effects] [[Special:Contributions/162.158.106.106|162.158.106.106]] 21:04, 20 June 2020 (UTC)
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| | == Drawing == | | == Drawing == |
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| | Pb-210 (half-life 20.4 years) is a decay product of radon, and thus accumulates everywhere that is exposed to the atmosphere or where radon seeps from the ground. I suspect it could be a contaminant in lead from some lead mines, but wasn't able to find any references [[User:ShadwellNH|ShadwellNH]] ([[User talk:ShadwellNH|talk]]) 20:00, 17 June 2020 (UTC) Paul | | Pb-210 (half-life 20.4 years) is a decay product of radon, and thus accumulates everywhere that is exposed to the atmosphere or where radon seeps from the ground. I suspect it could be a contaminant in lead from some lead mines, but wasn't able to find any references [[User:ShadwellNH|ShadwellNH]] ([[User talk:ShadwellNH|talk]]) 20:00, 17 June 2020 (UTC) Paul |
| − | :Pb-210 is mentioned in [https://phys.org/news/2013-11-controversy-roman-ingots-dark-neutrinos.html Controversy over the use of Roman ingots to investigate dark matter and neutrinos]. [[Special:Contributions/162.158.106.106|162.158.106.106]] 21:04, 20 June 2020 (UTC)
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| | == One use only? == | | == One use only? == |
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| | Can we Add Topic with impunity now? | | Can we Add Topic with impunity now? |
| | WOOOPEEEE![[Special:Contributions/108.162.216.216|108.162.216.216]] 10:45, 19 June 2020 (UTC)[[Special:Contributions/108.162.216.216|108.162.216.216]] 10:48, 19 June 2020 (UTC) | | WOOOPEEEE![[Special:Contributions/108.162.216.216|108.162.216.216]] 10:45, 19 June 2020 (UTC)[[Special:Contributions/108.162.216.216|108.162.216.216]] 10:48, 19 June 2020 (UTC) |
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| − | == Links tutorial ==
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| − | In case the IP editor who came by recently (to try to resolve the issue with the link <code><nowiki>[[wikia:w:c:transcripts:Back to the Future|this transcript]]</nowiki></code>, which currently fails due to excessive redirects), the following is a quick(ish) guide to the basic types of link-markup, here, that some might find interesting:
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| − | * For a plain URL, you could just leave it. You wanted to replace the unmanagable wikia link with https://en.wikipedia.org/wiki/Back_to_the_Future_(film) and, without any additional markup, it appears as its own literal text that links. (Generally considered untidy, of course, but there are times when it would be Ok.)
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| − | * If you surround a URL with single []s, e.g. <code><nowiki>something like [https://en.wikipedia.org/wiki/Back_to_the_Future_(film)] <-this</nowiki></code> then it looks something like [https://en.wikipedia.org/wiki/Back_to_the_Future_(film)] <-this, which is usable but often still a bit dialogue breaking.
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| − | ** The replacement text version puts a space between URL and the text. <code><nowiki>something like [https://en.wikipedia.org/wiki/Back_to_the_Future_(film) this]</nowiki></code> will appear something like [https://en.wikipedia.org/wiki/Back_to_the_Future_(film) this], and is the best way to represent most external URLs.
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| − | * For something internal/cross-wiki you can use double[[]]s <code><nowiki>something like [[2320: Millennium Problems]] <-a link to the prior explanation</nowiki></code> which is thus something like [[2320: Millennium Problems]] <-a link to the prior explanation.
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| − | ** If I'd have linked to [[2321: Low-Background Metal]] then, when seen from that page, e.g. via the Page Discussion section embedded within it, then it'll 'intelligently' not link, just highlight... can be very confusing. But [[2321]] and [[Low-Background Metal]] (because they are separate pages that ''redirect'' back again) will work, if that's what you want.
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| − | ** It is good practice to use the "Number: Title" page and text, when it is a clear link to another comic page (or similar) but if you want to use alternate text, use the pipe, e.g. <code><nowiki>something like [[2320: Millennium Problems|a link to the prior page]]</nowiki></code> produces something like [[2320: Millennium Problems|a link to the prior page]], thus.
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| − | ** I've been making sure the URL 'replacement' characters, above, are unreplaced. e.g. spaces instead of the underline. But you can retain the underlines (or other ASCII replacement codes, if any). It might look funny to see [[2320:_Millennium_Problems]], but it will work. And if it's overriden by replacement text then it matters much less!
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| − | ** Technically, the <code><nowiki>[[wikia:w:c:...]]</nowiki></code> notation should work, but in this case it has broken (possibly well after originally being written).
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| − | * However, for wikipedia links (and some other common external places) you have another option. The {{template|w}} template can be written as <code><nowiki>something like {{w|Back_to_the_Future_(film)}} or {{w|Back to the_Future (film)}}</nowiki></code>, to appear as something like {{w|Back_to_the_Future_(film)}} or {{w|Back to the Future (film)}} (note the preferable latter version, insofar as not displaying any URL-friendly character replacement).
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| − | ** And add "<pipe><replacement text>", of course, so that <code><nowiki>something like {{w|Back_to_the_Future_(film)|first link}} or {{w|Back to the Future (film)|second link}}</nowiki></code> will show up as something like {{w|Back_to_the_Future_(film)|first link}} or {{w|Back to the Future (film)|second link}}, looking nicer (generally) in both editor and rendered page.
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| − | ** For 'media' under the wiki you can use a number of formats <code><nowiki>[[File:Back to the Future.jpg|this version]] and {{w|File:Back to the Future.jpg|this version}}</nowiki></code> will give {{w|File:Back to the Future.jpg|this version}}. Unfortunately (or not, if that's what you intend,) in this case <code><nowiki>[[File:Back to the Future.jpg]]</nowiki></code> finds the local ''comic'' image with this name and embeds it as an image. Which is why I would suggest using {{template|w}}, when appropriate, rather than relying upon a seemless interwiki behaviour for anything other than articles. But you start to get into much more advanced mediawiki notation at this point.
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| − | Hope this helps someone. Even if not the editor who passed by earlier and had so much trouble! [[Special:Contributions/172.69.194.194|172.69.194.194]] 14:55, 1 November 2023 (UTC)
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