ConwayLife.com

In the "see also" section of Neighbourhood are mentioned a Euclidean neighborhood and a circular neighborhood, but neither of these have articles. What are they?

Chicken wire is an agar. This is a free-standing still life. Internally, it's the same as chicken wire, but it has a border that contains the chicken wire and allows it to exist as a finite, free-standing structure on an infinite plane.

In order to illustrate a wick or agar, it's necessary to ...

Chicken wire is an agar. This is a free-standing still life. Internally, it's the same as chicken wire, but it has a border that contains the chicken wire and allows it to exist as a finite, free-standing structure on an infinite plane.

A few years ago I independently discovered the following pattern:
x = 22, y = 11, rule = B3/S23
2b2o6b2o6b2o$bo2bo4bo2bo4bo2bo$2b2o2b2o2b2o2b2o2b2o$4b2o2b2o2b2o2b2o$
2b2o2b2o2b2o2b2o2b2o$bo2b2o2b2o2b2o2b2o2bo$2b2o2b2o2b2o2b2o2b2o$4b2o2b
2o2b2o2b2o$2b2o2b2o2b2o2b2o2b2o$bo2bo4bo2bo4bo2bo$2b2o6b2o6b2o ...