In spite of what you might have seen on tiktok or youtube, you should NOT try this at home because it’s already killed 34 people. At the end of this is a link to a video that debunks all of those other videos, but in the meantime here’s a few examples of what this process can do, under the right industrial circumstances.
Now that’s something I’ve never seen before. And (following @wjs018@beehaw.org’s comment) here I thought the pyrography machine I have at home was dangerous enough on its own. lol