Double block reaction

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Twin bees shuttle stabilized by David Bell's double block reaction (left) and Heinrich Koenig's hat stabilization.
RLE: here

The double block reaction is a certain reaction that can be used to stabilize the twin bees shuttle; it was discovered by David Bell in October 1996.

The same reaction sometimes works in other situations, as shown in the following image where a pair of blocks eats an R-pentomino and a lightweight spaceship. (The LWSS version was known at least as early as 1994, when Paul Callahan saw it form spontaneously as a result of firing an LWSS stream at some random junk.)

Double block about to eat an R-pentomino and an LWSS.

Also see

External links