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What kind of pocket knife do you use? Some pocket knives can be honed to a very keen edge. The last time I shaved I used a Case Peanut.
Extremely Easy Pattern Welded Blade
Many people harden their steels as well as leaving the teeth on the steel to use as a small file and to improve grip. Nice tutorial I plan on doing something similar.
A similar concept made out of metal is popular among blacksmiths due to the high durability.
interesting are there any practical uses/improvements for this? I might add a pouch for a sharpening stone, if ever I were to make one.
I personally use a low end tri hone set up and can get an edge shaving sharp on the medium stone and have yet to have fully utilized the fine grit stone (it is so fine it feels smooth to the touch).
the idea is that it would be inside of the ship and wouldn't have to
i believe the question is referring to having the tank inside the shuttle glass/acrylic thickness being irrelevant.
is it possible to use an edible algae to reduce the need for other food sources and to take advantage of the apparatus thus increasing its value.
the algae grows turning the water green
the part of photosynthesis that releases oxygen and traps co2 is sometimes referred to as the dark reaction because it does not directly require light this being because it creates sugars using the energy stored from the light reaction in the form of hydrogen ions.
how did you use a light bulb