How these impossibly thin cuts are made

"... which, in inches, is... a different number." This short phrase made my whole week. I laughed so hard.

5:15: "It does something with it and pumps out deionized water." Once again, Steve Mould lucidly explains a complex process.

I love how smoothly you recalculated it to inches.

I love how he demonstrates how useless normal razors are by not taking the plastic piece off of the top of it 😂

Hilarious how you had the plastic cover on the competition’s razor as you shaved with it. I noticed, and I salute your attention to detail and subtle humor. Same goes for the “see it even works on cheese.” I giggled.

I love Steve's commitment to demonstrating everything using cheese.

This must be THE BEST sponsor segment I’ve ever seen on ANY YouTube video. And I’ve been a YouTube addict for the better part of 10 years. Kudos. ❤

Ah yes, wire electro dance music

3:55 another benefit of submerging the part is that the liquid reduces how much eroded material gets into the air and, from there, into Richard’s lungs.

I was impressed by your dedication to the cheese comparison throughout the entire video.

@6:55 "which in inches is another number" - EPIC

I came for the dance music.

6:50 "A typical wire EDM machine will have a precision of around a 5000th of a millimetre, which in inches is a different number" 😂

8:51, the difference really is remarkable!! It's almost unbelievable! You would think there must be some user error, but no, it couldnt be that! 😅

I've worked with Mitsubishi Wire Feed edms (FA20S) myself, and I honestly find them very satisfying to work with. I used to primarily program and run the machine for tool & die components, but I loved to find an excuse to whip out the machine for other use cases that conventional machining methods would be difficult. I have far more experience on milling and lathe work now, from anywhere from micro-machining to huge oil and gas components, but its nice to see wire edm in action as it was essentially my roots beginning as a machinist. Thanks for showing off my passion for others to see, I find this stuff fascinating with the history and science of manufacturing, and how it allows humans to make amazing innovations. A few little tidbits I thought I might mention in case you might be reading this: when referring to the .001's place of a millimeter, it is preferred to say "Microns" as it makes you sound smarter, but also it prevents confusion from the imperial "thousandth's" which is commonly used as it's own term. The first type of edm you mentioned, the sinker type, was far more common decades ago as wire feed edm was not advanced enough at the time. While the accuracy of a EDM machines is amazing, they are not the only machines that can reach such levels of repeatable precision even down to +-.005 millimeters, however, they are set apart by the unique features they are able to cut as they exert very little cutting forces, and the difficult to cut materials that they superior at dealing with. Modern diamond tooling solutions try to give other machine tools access to manufacturing these types of extremely difficult to cut materials, such as tungsten carbide, but EDM machines are a tried and true method that many shops still rely on for tool & die or other prototyping manufacturing. Thank you for your informative video, I have not touched a wire edm machine in a year and I honestly miss the joys of working with them, or having your wire break midway through a 18 hour die and accidentally resetting your G54.

This channel helps preserve that child like curiosity. I'm 35 and for years now I'm always smiling seeing new video. Part of it is obviously chosen topic but Steve is arguably the most important thing here. I mean guy's hot wiring a cheese and somehow it's not only incredibly interesting but is teaching a lot. He's a perfect 90's children science tv program host. And it's 90's specific because back then science programs were actually designed for all ages and in some cases like in my country "health and safety" were only considered when you WILL actually die if you dont use let's say rubber gloves.

Steve Mould is legitimately one of my favorite channels, I never know what I'm going to see. Today, I saw him iron cheese.

The occasional "and you can do the same thing with cheese!" really sells me on the whole process.

Great video. And as a long-time shaver who uses double-edge safety razors, you are absolutely right about Henson Shaving's razors. I have two — AL13 and AL13M — and both are excellent. Extremely good design: if you don't have the right angle, nothing happens. (With most DE razors, if you don't have the right angle, you get a nick.) The Henson Shaving razor is both extremely comfortable and extremely efficient. I do recommend using a good shaving soap and a shaving brush rather than canned foam: that makes a big difference, even with a cartridge razor.

I've seen videos of F-22s and B-2s refueling in midair. One of the craziest parts of it is that the port for refueling seems to appear from nowhere. The nature of stealth aircraft is that you really can't have even small ridges otherwise you've compromised your stealth, so the closed port needs to be perfectly hidden with no visible seam. I wonder if it's the same process being used.