[ExI] dark confession time

[BillK]

On Sun, 10 Mar 2024 at 03:05, spike jones via extropy-chat
<extropy-chat at lists.extropy.org> wrote:
>
> -----Original Message-----
> From: Keith Henson <hkeithhenson at gmail.com>
> Sent: Saturday, 9 March, 2024 6:19 PM
> To: ExI chat list <extropy-chat at lists.extropy.org>
> Cc: spike at rainier66.com
> Subject: Re: [ExI] dark confession time
>
> This is well beyond what I could do in my decrepitude.
>
> It's a Mythbusters episode, but unfortunately, that show has ended.
>
> The last adventure of this sort I did was in 1985, just before I moved
> to the Bay Area/   We poured 200 pounds of propane down a mine shaft
> and dropped in a flare.
>
> Keith
>
>
> Keith I heard of the propane incident.  It is compelling.  I haven't done the calculations, but it kinda feels like by the time the flame started, the reaction would be fuel rich.  But I don't know.  It would be cool to work with it, see if we could find a way to mix the fuel and air close to the stoichiometric ratio before igniting, but I don't know how to do that.
>
> spike
> _______________________________________________


I hope you are not planning to do this in an abandoned coal mine!
Underground coal fires are burning all around the world as they are
almost impossible to extinguish.

<https://gizmodo.com/the-worlds-oldest-underground-fire-has-been-burning-fo-1539049759>
Quote:
The World's Oldest Underground Fire Has Been Burning For 6,000 Years
------------------------

BillK