ConwayLife.com

Any... of... you... see... this?

No, probably not. I figured this out, when I was wondering, if I put a LWSS behind a spaghetti monster, how long will it take for it to kill the spaghetti monster? The answer is it didn't, and the spaghetti monster kept moving along happily.

Test for yourself:
x ...

A massive, dirty puffer with 2340 cells and period 20:

x = 129, y = 1085, rule = B3/S23
2b4o$bo3bo12bo2bo$5bo16bo$bo2bo13bo3bo$19b4o4$12bo4b2o$9b4o3b2ob2o$8b
5o4bo2bo$7bo9bo2bo$8b2o8b2o$9bo2$11b2o5bo2bo$10b4o8bo$10b2ob2o3bo3bo$
12b2o5b4o7$21b4o$20bo3bo12bo2bo$24bo16bo$20bo2bo13bo3bo$38b4o4$31bo4b ...

A frothing puffer that makes a huge, useless spark:

x = 52, y = 105, rule = B3/S23
b4o$o3bo12bo2bo$4bo16bo$o2bo13bo3bo$18b4o4$11bo4b2o$8b4o3b2ob2o$7b5o4b
o2bo$6bo9bo2bo$7b2o8b2o$8bo2$10b2o5bo2bo$9b4o8bo$9b2ob2o3bo3bo$11b2o5b
4o12$38b2o5b4o$36b2ob2o3bo3bo$36b4o8bo$37b2o5bo2bo2$35bo$34b2o8b2o$33b ...