Categories: Uncategorized

Book of the day: “Practical Kinks for Coal Mining Men”

Photo by @MaxwellTheTige1; click to see the original. Click the photo to see the kink at full size.

I studied alongside mining engineers during my days at Crazy Go Nuts University, and yeah, they were into some pretty weird stuff.

But seriously…

Click the photo to see it at full size.

I’ll leave the explaining to the Kentucky Geological Survey:

“Kinks” and “kink zones” are fracture zones that form after mining, usually along the center of an entry, from compressive forces that cause the immediate roof strata (in shale roofs) to impinge upon each other or “kink.”

Joey deVilla

Recent Posts

Sunday picdump for November 17, 2024

Here’s a collection of interesting memes, pictures, an cartoons floating around the internet that I…

1 hour ago

U.S. post-election post #7: Don’t worry, it’ll trickle down…

Tap to see the source. This is yesterday’s daily New Yorker cartoon, created by Brendan…

5 days ago

U.S. post-election post #6: One key election is still undecided…

C’mon, let it not be Asians this time. Last time was pretty bad. Here’s the…

6 days ago

U.S. post-election post #5: Come bend the arc with me!

Jon Stewart’s right, and we’ve been here before. Where we are now, I’ve been before…

6 days ago

Veteran’s Day, Remembrance Day, and “In Flanders Fields”

Poppies thrive in overturned soil, which is why they bloom in battlefields. I’m in the…

6 days ago

U.S. post-election post #4: We have to be better

In times of high dudgeon, there’s a tendency to throw integrity out the window. One…

1 week ago