cool
Restoring a Rusty Butcher’s Knife Found in the Trash Back to a Sparkly Blade is Damn Nice

If I saw this deeply rusted cleaver in the bin, I’d leave it exactly where it was, because I wouldn’t think there would be any way to save the thing. Luckily, the person salvaging this ruined butcher’s knife is way smarter and way more resourceful than me, because in less than three hours, he turned a destroyed knife into what looks like a brand-spanking new blade that can chop the hell out of anything. Read More >>

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Sharpening a Pound Shop Knife Turns It Into a Killer Blade That Easily Slices Everything

I know that it’s pretty darn obvious that if you sharpen a knife over and over again, you’ll eventually get a razor sharp edge to slice things with. But that doesn’t make it any less fun to transform a dirt cheap knife bought from a pound shop into a beast of a blade that destroys everything as if it were descended from the Damascus, Ulfberht, and Valyrian steel gods. Read More >>

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Watch a Circular Saw Blade Get Transformed Into a Two Handle Straight Drawknife

As always, John Heisz can transform old, rusty blades into lovely works of art. This time, he turns a circular saw blade into a drawknife. Read More >>

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Why Do Wind Turbines Have Three Blades?

There are diminishing returns if add more blades to a wind turbine, and if there were less blades, the turbine would have to spin faster. Apparently that's not a very good thing. So that’s why we settled on the three bladed wind turbine system. Read More >>

weapons
The Credit Card Knife is Now Even More Terrifyingly Stealth

This credit card is really a knife. Just putting that out there in case it wasn't coming across already. It's a 2.2mm thick, 85.6mm x 54mm CNC machined aluminium treat. Keep it in your wallet to impress your friends and gore your enemies! Read More >>

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“Brain Slicer” Arrowheads Sound Like The Most Legit Arrowheads

What's a casual way to start a video? How about a fun little opening introducing what you're going to do or make. You could say something like, "Arrows are normally a good way to pierce a skull, but I'm concerned that [they] may not destroy enough brain matter." Light hearted fun! Read More >>

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Hawaiian Shirt Commando Tests Knives Against Frozen Pig Skull

Here at Gizmodo, we like to think we put our reviewed products through a rigorous, real-life evaluation. That's one way of doing it. Or, you can test a device by attacking frozen animal corpses while wearing a Hawaiian shirt. Read More >>