The Algebra of an Infinite Grid of Resistors

by gone35on 6/15/2025, 5:47:48 AM with 3 comments
  • by Koshkinon 6/15/2025, 1:27:37 PM

    > we imagine injecting 1 amp of current into a single node

    I have always had a problem with statements like this. Current is a (measurable) property of an edge, not a node (vertex). One can’t “inject” current into “a single node."

  • by ColinWrighton 6/15/2025, 9:09:43 AM

    See also: https://news.ycombinator.com/item?id=44279181

  • by fh973on 6/15/2025, 11:54:05 AM

    See also: https://xkcd.com/356/