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There was a talk from the Royal Institution just uploaded yesterday (talk was in June), The Apocalypse and How to Avoid It[0], where Lewis Dartnell (author The Knowledge[1]) describes a gasifier stove you can make from a couple bean cans, and also brought up this gasifier engine technology and how it was used in London during the Blitz. This article has a ton of useful information that makes for a great followup.

Also at the talk were Vinay Gupta (Ethereum), Rosalind Eggo, and Hugh Lewis discussing different avenues to potential Apocalypse and their likelihood, etc.

[0] https://www.youtube.com/watch?v=FPxBhqonZEQ

[1] https://www.amazon.com/Knowledge-Rebuild-Civilization-Afterm...

As famously seen in dads army when they converted Jones the butchers lorry.

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