Space cleaner
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A space cleaner or space clearer is a reaction that expands through an agar, consuming the agar and leaving empty space inside.[1] Space cleaners can be contrasted with spacefillers that grow by filling the universe with an agar. They can also be compared to space nonfillers that expand through empty space to affect all but finitely many cells in the universe, and leave empty space inside.
Space cleaners for the block agar and for one quarter of the block agar were found by Hartmut Holzwart.[2] A space cleaner for the zebra stripes agar was found by Keith Amling in July 2020, in the overall shape of an expanding rhombus with two "corners" moving at 5c/5 and two "corners" moving at 2c/3.[3]
References
- ↑ Hartmut Holzwart (November 4, 2023). Re: Thread for basic questions (discussion thread) at the ConwayLife.com forums
- ↑ Hartmut Holzwart (July 2, 2020). Re: Agar crawlers (discussion thread) at the ConwayLife.com forums
- ↑ Keith Amling (July 2, 2020). Re: Agar crawlers (discussion thread) at the ConwayLife.com forums