Sharpest knife made by cooking sand in a microwave oven(youtu.be)
youtu.be
Sharpest knife made by cooking sand in a microwave oven
https://youtu.be/qm9N_SPhwR8
6 comments
I think "sharpest" may be a bit of an exaggeration in the title. While the technique is cool and I recommend watching more of this guy's videos, it's by no means the sharpest knife. I have a small business hand sharpening knifes using a similar technique (Japanese ceramic whetstones and hones) and I can easily make one much sharper within a few minutes. It's a great hobby and a good way to make some side cash if you learn your stuff.
You have a business where you regularly seperate beach sand into its components and make a knife out of it and sharpen them?
The claim here is not that this is the sharpest knife ever and it just happens to be created in a home lab using sand and a microwave. The claim is that among all knifes made from sand, using a microwave, this one is the sharpest - and I am not convinced that you have such a knife, let alone one that is also sharper.
The claim here is not that this is the sharpest knife ever and it just happens to be created in a home lab using sand and a microwave. The claim is that among all knifes made from sand, using a microwave, this one is the sharpest - and I am not convinced that you have such a knife, let alone one that is also sharper.
To be fair, the title is ambiguous.
But are any of your knives made from sand cooked in a microwave?
My understanding is that the claim is sharpest knife that was made in that fashion, not sharpest overall knife.
My understanding is that the claim is sharpest knife that was made in that fashion, not sharpest overall knife.
Yeah, I don't understand why anyone would nuke beach sand when coffee can carbon foam furnaces are trivial to make.
And in about 2 seconds, I can get a really damn sharp "knife" by dropping a wine glass on the floor to induce conchoidal chipping. My foot and hand can attest to them being as sharp or sharper than any surgical instrument or Japanese-angle ground knife.
And in about 2 seconds, I can get a really damn sharp "knife" by dropping a wine glass on the floor to induce conchoidal chipping. My foot and hand can attest to them being as sharp or sharper than any surgical instrument or Japanese-angle ground knife.