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Looks like a fairly good idea for all others except the military.

Hmmm ... the first thing is to have an outer layer of something that blocks the wind, preferably totally. After that anything that has enough thickness and stops the air moving, down if the lightest some wools next and various synthetic fleeces and piles generally heaviest. The air insulates...

The question was why folders originate in the first place 2500 years ago. Your answer in comparison to my post just shows how much peoples reactions vary in different communities, countries and apparently even in fairly short time scale. Present day reactions here are not quite as paranoid as...

I have to compare this to situation in the Finnish countryside and Lapland in the 60's most men carried puukkos and that was considered normal. Having an axe on your belt might have caused some one wondering that have you lost your puukko. So how threatening a smallish knife is seen is very...

Definitely, there are some people that accept nothing. But it still makes me wonder what was the original reason to make a knife that much more complicated, my experience is that things like that usually are not made without some reason. As far as I can think a (primitive) folder has two...

Apparently pockets in their present day form originate around 1200, various kind of purses are the alternative before that. What would be the advantage of having a knife in a purse on your belt instead of a sheath?

Not intended to be a fight between folders and more solid ones. I started wondering why some one made a folding knife? Some fast googling and apparently the oldest found is about 2500 years old. So has anyone come across why. The early ones were clearly weaker than any fixed blade tanged...

Asterix reference

WHAT, nobody has mentioned the golden sickle yet and collecting herbs at full moon ...

It is not quite clear to which kind of knife the word actually refers to; the most common probably is the large whacking size knife ~25 cm blade length, some people also use it for the mid size utility knife of about 12-15 cm blade length of a certain blade shape. Many old ones I have seen are...

Last summer when the outside temps climbed somewhat high (for us) we had air conditioning on keeping the inside at comfortable 22-23 C. Our kitchen stove (wood) refused to light up, totally, pushing all smoke in, lots of it. I had to take the smoldering wood out and take them outside. I took...

Finland just raised the age of reservists eligible to be called for service. I am out of even that.

Shhhhhhh ... they haven't realized it yet.

During Cold War there was a story telling why Soviet nukes were typically larger than western ones. The missiles used were much more inaccurate so they had to use bigger artificial suns to achieve a kill on a point target.

I once handled a Ti divers knife, owner said that he sharpened it as well as he could. It felt kind of sharp but it did not cut well. Admittedly an axe does not work like a knife but I still think that steel probably has an advantage there. I think C_C is right that in many cases an axe head...

Surprisingly many, outside the red forest. Many wild animals thrive there. In the reactor itself they found some fungi that seem to like radiation ...

Nah, that's nothing, if it were unobtainium I could possibly be interested.

Barium sulfate is a very good gamma ray blocker which is used in x ray blocking applications. It also blocks some radio frequencies. Fairly cheap in mineral form. Also available in textile fiber form for protective clothing, much more stylish than Al foil.

The concept resembles aluminium sledge hammer.

"Lightweight titanium head with twice the yield strength of steel" At least this claim is non factual. Also it is not at all clear why a less dense material than steel would be better.