7 Matching Annotations
  1. Feb 2024
    1. This concentric, circular structure is the reason, that for its weight, wood is still the strongest building material on the planet.

      for - trees are stronger than steel

      biomimicry - trees - (see below)

      • strong tubular cells in
        • the trunk and
        • branches
      • grow and knit themselves into concentric tubular layers one on top of the next, every season.
      • That is why you can count the rings on a tree to determine its age.
      • This concentric, circular structure is the reason, that for its weight,
        • wood is still the strongest building material on the planet.
  2. May 2023
  3. Aug 2021
  4. Nov 2020
    1. the adjective strong or the adverb strongly may be added to a mathematical notion to indicate a related stronger notion; for example, a strong antichain is an antichain satisfying certain additional conditions, and likewise a strongly regular graph is a regular graph meeting stronger conditions. When used in this way, the stronger notion (such as "strong antichain") is a technical term with a precisely defined meaning; the nature of the extra conditions cannot be derived from the definition of the weaker notion (such as "antichain")
  5. Mar 2017