Sharpen a knife, The geeky way.

I just found that old amd CPUs have a large ceramic  plate that the I/O pins stick out from and since ceramic is a  much more durable substance than steel we can actually use CPUs to sharpen knives :D

Step 1

1. An AMD CPU 
2. a  dull knife.
3. 2-5 minutes.

Comments

[jabbawokie]

using a Thermoelectric cooler(TEC) works great too and you have a larger side to use

[the_burrito_master]

What's that is that a computer part? I've never heard of one of those.

[jabbawokie]

they are also called peltiers and you can use them for cooling your cpu as an addition to a water cooler or heatsink and fan usually when overclocking

[the_burrito_master]

Ah so kinda like a water block or something, I'm assuming that the one you're using isn't made of copper or aluminum right?

[jabbawokie]

right i think its ceramic and is like a very fine grain sharpening stone good for putting a razor edge on a knife

[Alex1M6]

Funnily enough I just found an old Pentium 1 MMX CPU the other day.

I guess I should try sharpening that knife on my craft multi-tool.

[the_burrito_master]

that thing looks really bumpy and course make sure it'll work good before you destroy what's left of your knifes edge.

[the_burrito_master]

just make sure it's not a fiberglass pcb or you'll make lots of dust and not sharpen anything.

[tim_programmer]

interesting - I've been looking for a cheap option for a fine grit stone (something > 1000) I imagine the ceramic to be getting close to that

[the_burrito_master]

yeah it's gotta be at least 1000. I've never really familiarized myself with different sand paper grits and stuff but this is not very coarse and is great for honing a final edge.

[PotatoCoffee]

Nice!

[mr.incredible]

Clever. You might be able to peel the aluminum heat sink off and use it like a whetstone.

[the_burrito_master]

Well that's somewhat true but under that is a rectangle of silicone (the actual processor) and a bunch of diodes that'd be in the way of that.