alt Hacker NewsThat tickled a memory of a video... and I hunted it up.
Adam Savage's Tested : Look Inside Apple's $130 USB-C Cable - https://www.youtube.com/watch?v=AD5aAd8Oy84 (1 minute in "we've been saying that our phones have more computing power than the Apollo guidance computer but I'm positive now that this cable has more computing power than the Apollo guidance computer")
That video is a look at cables (not just Apple's) with Lumafield's CT Scan.
Lumifield quite recently showed on Adam Savage's Tested again, with some literal insights on a reasonably-diverse array of different 18650 cells: https://www.youtube.com/watch?v=AD5aAd8Oy84
It's a good watch, and I learned some new stuff about some things that I only knew a little bit about before.