Did a bit of investigating

I went in there with a broom this morning to see if I could wedge the door open and see what was happening inside. You know, in the name of science and all that. As soon as I got within ten feet of it, it did the humming thing, dinged, and then it opened up by itself.

I booked it. I just turned around and got the fuck out of there. It slammed shut a few seconds later, and I just saw it over my shoulder, but I swear to god there were things in there, and they had way too many legs. I'm currently sitting at the library down the street, trying to figure out my next move.