Path: nntp.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Cryptoengineer <petertrei@gmail.com>
Newsgroups: rec.arts.sf.written
Subject: Re: 25 Classic Books That Have Been Banned
Date: Fri, 11 Jul 2025 21:41:34 -0400
Organization: A noiseless patient Spider
Lines: 84
Message-ID: <104sege$1psc0$1@dont-email.me>
References: <vp5tl3$hq3$1@panix2.panix.com> <100r7an$bnka$1@dont-email.me>
 <vcr33klj2s81v1fjjs210nvsgsiaiiftur@4ax.com> <100u0d1$15sv8$1@dont-email.me>
 <jlf63k9c0h8iu5r98768r16olrlpu7aa8s@4ax.com>
 <physics-20250525180332@ram.dialup.fu-berlin.de>
 <q3293kd3354ca22bf84g88c4rkhq4bb0dq@4ax.com> <1012fr2$25mfe$1@dont-email.me>
 <v6pb3kd7d7nircpct73hli1l5284fs6irf@4ax.com> <whmZP.20802$WUcf.8194@fx01.iad>
 <10197df$3pm7g$1@dont-email.me> <pohk5kt0s1lge38k4kf3v0pg1njjpv0941@4ax.com>
 <dril5kt8h7o4qn8r3bb1krt7ei34h4q7hl@4ax.com> <104k9vr$3qr6k$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Sat, 12 Jul 2025 03:41:35 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="4b6c3555d648fdd6b2355a44b8c3c0c4";
	logging-data="1896832"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19Maa+iBXiKxUjd9bRqEmhhcA89JNs+f9Q="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:IaCy5lv64eLk98LEb5DJpyspzlc=
In-Reply-To: <104k9vr$3qr6k$1@dont-email.me>
Content-Language: en-US

On 7/8/2025 7:35 PM, Robert Carnegie wrote:
> On 24/06/2025 17:11, Paul S Person wrote:
>> On Mon, 23 Jun 2025 23:39:44 -0700, The Horny Goat <lcraver@home.ca>
>> wrote:
>>
>>> On Thu, 29 May 2025 09:55:09 +0100, Robert Carnegie
>>> <rja.carnegie@gmail.com> wrote:
>>>
>>>> Also, as Arthur C. Clarke revealed to us,
>>>> "Any sufficiently advanced technology is
>>>> indistinguishable from magic."  So for instance,
>>>> some miracles could be performed with concealed
>>>> magnets.  Especially if someone doesn't know
>>>> that magnets exist.
>>>
>>> You mean anybody in the time of the Roman Empire (aka 'the life and
>>> times of Jesus') knew what a magnet was?
>>
>> According to
>> <https://en.wikipedia.org/wiki/Magnet#Discovery_and_development>,
>> knowledge of "loadstones" goes back 2500 years. And Pliny's /Natural
>> History/ discusses them
>> <https://en.wikipedia.org/wiki/Natural_History_(Pliny)#Mineralogy>
>>
>> Granted, this was a bit later on (77 to 79 AD). But only a bit.
>>
>> So I would say it is possible that educated (in the Roman/Greek sense)
>> persons were aware of magnets at the time you designated.
>>
>>> I think most of us as children did all kinds of things with magnets to
>>> impress our friends. My favorite trick was holding a magnet under a
>>> piece of paper to make another magnetic jump into the air (typically
>>> no more than 1 or 2 inches) by means of repulsion.
>>>
>>> My favorite magnets were the 3/4" round magnets (by roughly 3/16"
>>> thick) that were suitable for the above types of tricks.
>>
>> I am wondering whether my flat refrigerator magnets, of which I have
>> an abundance, are recyclable or not -- that is, if they are magnetic
>> enough to count.
> 
> Do you mean to recycle as iron?
> 
> <https://magnummagnetics.com/blog/how-are-magnets-made/>
> is a document I've just failed to understand
> on the subject.
> 
> I think the answer is "it depends", but also
> that magnets in your recycling waste will cause
> trouble, such as sticking to machinery and
> jamming it, and if you hypothetically ask a
> recycling service whether they accept "x" for
> recycling, and thry haven't asked for "x",
> then just from caution, the answer will be no.
> 
> I think rekatively little heat will remove
> magnetism, but the magnetasvarevstill made
> or whatever.
> 
> And twentieth century magnets probably are
> much more powerful than natural ones?
> 
> While on this subject, I'll add that glass
> rdcycling usually accepts bottles and jars,
> but not table glassware, plates, cooking
> dishes, or windows.  Each may use a different
> rdcipe.  Where the "Nutella" jar which can be
> re-used as a beaker stands, I don't know, but
> I'll guess that as a precaution, that also will
> be "no".
> 

I've played with natural lodestones - they weren't
very strong.

Small, strong, neodymium/rare earth magnets are
turning up everywhere these days.

Keep them out of the hands of children. Swallowing
one will generally not be a problem, but if two
are swallowed, they will snap together in different
loops of intestine, and cause necrosis and perforation.

pt