Hopefully the HVAC people set it to only affect the AIR in the room.
https://explainxkcd.com/2989/
The local police, building inspector, and fire marshal are all contesting my 'safety' assertion, or would be if they could reach me past all the traps.
https://explainxkcd.com/2988/
The worst is when you wipe out in the barrel and you're trapped for several million years until erosion frees you.
https://explainxkcd.com/2987/
Conveniently for everyone, it turns out that dark energy is produced by subterranean parasitoid wasps.
https://explainxkcd.com/2986