81–82 of 82 posts
Before anyone gets excited, the landslide occurred in the 12th century or so :( I was all excited to plan a rock hounding trip to the Himalayas. I even sent out the Sherpa bat signal (it’s a silhouette of me shaving a Himalayan yak), only to find out I’m eight hundred years too late.
Earlier quoted context omitted.
I've heard that the earth, if scaled down to the size of a pool/billiards ball, would be smoother than the ball. I often use that to explain how spinning cue balls can manage to change the angle of the shot, given the same impact point as a non-spinning cue ball, in an effect pool players call "throw." [1] The peaks and valleys of the pool ball will reliably grip like gears. Sometimes the balls even stick together mo…
"No, Earth is not as smooth as a billiard ball! ... The billiard-ball-sized Earth’s smoothness would be equivalent to that of 320-grit sandpaper." https://ourplnt.com/earth-smooth-billiard-ball/ A comment on the article, though, says "I’d like to point out that Earth is about 3400 times flatter than a regulation pool table...I love saying it – The Earth is flatter than a pool table!"