Active-Shooter Drills Are Tragically Misguided
theatlantic.com
theatlantic.com
It makes the parents and school administrators feel better. "Something must be done" in action.
a long story about it all is in here:
[https://en.wikipedia.org/wiki/Atomic_bombings_of_Hiroshima_a...]
this survivor was underground, and surrounded by a tightly packed library of documents btween themself and an >ATOMIC< blast. you may duck and cover and avoid shrapnel but RAD dosage espescially from neutrons is something else. neutrons interact very weakly if at all via charge as they are neutral [but do oscillate type] neutrons do have a small amount of mass, they dont seem to interact strongly in a gravitational sense but the extreme velocity of the neutron flux creates a substantial momentum and plays billiards with the nucleii of your body and surrounding materials, like a subatomic shotgun all over you.