The doors in my apartment building all slam with varying degrees of intensity which encourages me to learn to treat each door with respect. I was thinking that with smart houses the degree to which each door slams could be varied with a person's behavior to encourage them to learn gentle efficience.-- JesusHChrist, Nov 13 2016 Install a car seat-belt stopcatch system that encourages people to walk into doors which have too much acceleration applied to them.-- FlyingToaster, Nov 13 2016 I don't think most people close doors before attempting to pass through them... maybe it's just me.-- Voice, Nov 13 2016 Well I was considering people who open doors too fast. It's funner that way.-- FlyingToaster, Nov 13 2016 It is possible to adjust the common hydraulic door regulating mechanism such that the door will slam itself.-- WcW, Nov 15 2016 random, halfbakery