It destroys blocks (except core) connected to(and further, only connection matters) or contacts(touch) it
P.S. sorry for my English
P.P.S I have more suggestions
P.P.P.S they can be used as "weak points"(when destroyed they will do their job)
Just buttons, that emit signal when they are pressed with mouse(for semi-automatic robots)
P.S. sorry for my English
P.P.S. I have some more suggestions
I proudly present you my spacecraft
1)can eject stationare highly armed sentry
2)armed with two double machine guns
3)very mobile even with attached sentry
4)i tried to make it look better
Instructions:
1) you can'd deploy/explode fireworks when the platform isn't touching the ground
2) 1,2,3,4 - launch one of four fireworks, w - just to land safe
3) WARNING: beware of chain reactions