This is also an MIT rule. That's a pretty simple one. Smoke is bad for machines though, so we'd have said no anyway. If you want to be rude, put it on the chair next to you instead of on the floor. People complain that there aren't enough chairs sometimes.
Bicycles Stay Outside.
Not and expect to keep using it when you get back. It's not fair at all to the other users. If we see this behavior, we put the belongings in a box outside in the corridor. Articles lost in the lab will end up in the drawer of a file cabinet in the Garden. The cabinet is next to the athena printer and telephone, near the double doors.