Dr. Bob

Is the same. We’d call it the horizontal plane though. Dorsal takes a bend so it’s the top of the head and the back. Sagittal sections move medial/lateral and coronal sections move rostral/caudal again taking a bend down the neuraxis of the spine.

B

Dorsal plane still doesn’t make sense to me as dorsal/ventral are the directions in the plane. In the same way it wouldn’t make sense to describe something as the lateral plane if the directions are medial/lateral. But as I said I’m a brain guy.

The figures I’m looking at call the dorsal plane “frontal” which at last makes sense. Dorsal and ventral would be their regular directions in the frontal plane. I’m a brain guy so I normally only deal with the things in the neuraxis.

Why is the coronal section labeled “transverse” and the horizontal section labeled “dorsal”? That is some batshit fucking wrongness there.

You’re not wrong. But there are counter examples. I was going to use the example of the jet engine in my last answer as a true paradigm shifting development that had immediate impact. And in the mid-century period too! Or the first powered flight occurred in the first decade of the 20th century and had an immediate impact. The transistor and solid state electronics would be another example.

So let me flip it around and say we’ve had a quarter century without a major technological breakthrough. There’s been progress, but it feels incremental. I spent a night with a physicist a few years ago who was arguing that progress is slowing because we are still relying on the exploitation of Newtonian physics. There are a few technologies that have made the leap to nuclear physics. But we’ve had the basics of quantum physics for a century now and haven’t been able to exploit it in a useful fashion.

OLEDs were built in 1987 I saw my first VR demonstration in the 90s (and it wasn’t cutting edge then). I saw my first AR demonstration then as well as part of an undergraduate engineering fair. And so on. I just looked up maglev trains - in commercial use since 1984.

I don’t disagree that there hasn’t been refinements, improvements, or commercialization of technology, but there hasn’t been a technological leap or invention that I can think of in the 21st century.

I’m genuinely not sure that anything has been invented in the 21st century.