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Pedantic mode on; it is "Savotta jääkäri". "Jääkäri" meaning "jaeger" if one is more familiar with the german word. :D

All the ones I have handled are very soft, haven't tested them for carbon content.

:D I put it as a side note because it is not the every day usage.

True, though one should remember that the "toughness" is dependent on both the steel and it's heat treatment. Also at the extreme both can be used to achieve the desired properties. (Just a side note: in most tech usage "iron" is reserved for pure - or almost - element and "steel" is an alloy...

It helps to even the heating. Mag Curie temp does not care about anything else than temp. It is used as indication to ferritic-austenitic change because In practical carbon contents It happens to work.

Most cars here have dedicated headlight mode for day time. It works. There is a problem though, the one not using lights is just not noticed. It does cause a few accidents as people are used to looking for the lights.

It is not a very difficult calculation to do for your latitude, calc what is the highest angle at midsummer and put your panels 20 deg lower than that. It would give you a fairly good stationary angle and close to stat optimum. Follower panels are good for about 4 months, outside that...

Panels work well enough if they are within 15 deg of the straight line to the sun. Here in the north a follower panel gets over twice the amount of energy in comparison to a stationary one around midsummer.

In many cases an oxygen absorber in a sealed package does a better job of preserving than bad vacuum.

If "They" don't know that you have something that does not really matter. Properly chosen several months worth of food can fairly easily be hidden, or if it walks or swims no need to.

That is kind of cute.

Medieval leather worker probably would have boiled collagen out of hide scraps and used that as his glue. As I understand various other collagen sources could and were used, fish, tendons. Apparently keratin (hooves) can also be hydrolyzed into glue, I have no idea how these two sources...

Freeze dried rations is the closest I can think of just now. Just to cover the headline, pure amino acids are quite long lasting if stored dry. A mix of essential amino acids can be bought, taste is not that great and it should not be considered a meal but it covers protein. :D

About 25 years ago mistletoe suddenly appeared in southwest Finland, now at around 250 locations. Before that it was unknown during written history. A certain thrush species is strongly under suspicion of importing that foreign plant species ...

Hmmm ... I think it has been around at least 25 years, I think John Fenna might have some practical experience on Sympatex in cloths.

Not quite so, Sympatex and some PU coatings operate on a different principle. They can pass water as liquid through but they work best with a fairly large temp gradient. Their breathability is not as good as some of the holey membranes but they are mechanically stronger. Sympatex at least...

It can actually prevent any hydrophobic substance from working (hydrophobicity = beading), almost all non-pure-soap detergents contain surfactants (substances that lower surface tension of water) that is there to help wetting. So it helps wetting even at very small residues on the washed...

The M23 seems to have a blade shape somewhat optimized for whittling, all pros' blades I have seen look very much like that. I have not used that knife but held one briefly, it did fit the hand quite nicely.

... some of them have a very serrated BLADE ...

:) Some do some don't, I often make a two slice sandwich instead of two separate ones. Lately I have changed from rye bread to oat, eat very few wheat ones.