Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: AMuzi <am@yellowjersey.org>
Newsgroups: rec.bicycles.tech
Subject: Re: Bike to Anywhere Day Redux
Date: Mon, 19 May 2025 07:52:50 -0500
Organization: Yellow Jersey, Ltd.
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On 5/18/2025 11:14 PM, pH wrote:
> On 2025-05-18, AMuzi <am@yellowjersey.org> wrote:
>> On 5/18/2025 8:11 AM, pH wrote:
>>> On 2025-05-17, AMuzi <am@yellowjersey.org> wrote:
>>>> On 5/17/2025 10:08 AM, pH wrote:
>>>>> On 2025-05-16, Frank Krygowski <frkrygow@gXXmail.com> wrote:
>>>>>> On 5/15/2025 8:25 PM, sms wrote:
>>>>>>> Bike to Anywhere Day Redux
>>>>>>>
>>>>> <snip>
>>>>>>
>>>>>> Interestingly, I was on some of those same roads and trails this week.
>>>>>>
>>>>>> That wasn't a blimp. It was LTA Research's Pathfinder 1 rigid airship.
>>>>>> (A blimp is limp.) It's the largest flying machine currently existing. I
>>>>>> watched one flight from the northern end of the Stevens Creek preserve,
>>>>>> near GooglePlex. I've got contacts at LTA, and was given a facility tour
>>>>>> last Friday.
>>>>>>
>>>>>> (Yep, look at me!)
>>>>>
>>>>>
>>>>> Holy Hindenberg, Batman, I didn't know there were any dirigibles flying.
>>>>>
>>>>> It seems to be a disappeared part of history that there was indeed a few
>>>>> years of the big ships flying hither and yon.
>>>>>
>>>>> pH
>>>>>
>>>>> slightly related, I recall reading that Helium supplies may be diminishing.
>>>>> Of course we can make all the Hydrogen we want, but there's the "boom"
>>>>> factor.
>>>>
>>>> Helium, which has many uses including the cooling medium for
>>>> massive imaging facilities (one of my brothers is in that
>>>> racket) is indeed more scarce since the US strategic reserve
>>>> was abolished.
>>>>
>>>> https://directmedimaging.com/coldheads-helium-compressors-guide/
>>>>
>>>> https://newspaceeconomy.ca/2024/09/09/the-united-states-national-helium-reserve-and-privatization-relevance-to-the-space-economy/
>>>>
>>>> The various players and interests have not yet adjusted,
>>>> which is an actual problem, but there's no physical shortage
>>>> of helium so the situation will at some point resolve.
>>>>
>>>>
>>>>
>>> That is good to know that there is not (yet) a shortage.  I was going to say
>>> we're not making any more here but I guess that's not true--radioactive
>>> decay.
>>>
>>> ...but maybe we'll develop the technology to harvest it from the Sun; we
>>> seem to be doing some amazing things as a species...
>>>
>>> pH
>>
>> It's a byproduct of oil/gas extraction. Not free, but it
>> does exist in some quantity.
>>
>> https://rockymountainair.com/blog/how-is-helium-extracted/
>>
>>
> Thank-you for this link/read, Mr. M.
> 
> pH
One of my ex-employees ran a gas separation plant in 
Oklahoma for years which is how I know a little bit of that.

-- 
Andrew Muzi
am@yellowjersey.org
Open every day since 1 April, 1971