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Lots of people, things and tax money go wrong, every day, with brilliant engineering. Not long ago I saw someone using microscopy of razor edges to "prove" what I thought a somewhat dubious case. I...

When I come to think of it, nothing in common use for tooling resists abrasion better than tungsten carbide, and although brittle, it is not undesirably so in many applications. Razor enthusiasts are...

I have a small electric furnace which was quite inexpensive on eBay, and large enough for a razor, folding knife blade, etc. But I bought it hoping to enamel and print dials for antique pocket...

Not everyone who can harden a knife blade correctly, can be counted on to do the same with a razor. The use of A-2, air hardened, is so attractive for avoiding distortion that it begs the question...

01 will offer slightly less chance of distortion in heat-treatment, mainly because the gentler quenching of oil is sufficient to harden it. It would offer greater wear resistance than 1095 if both...