Two. Obviously.
None. TSA agents only know how to remove clothes putting them on is different matter completely.
Screw is such a harsh word, M'Lightbulb. I have too much respect for lamps to use it." Tips fedora
None. People that glow in the dark don't need lights.
One to drop it and six to pick it up pick it up pick it up
An optical Aleutian. I actually made this one up. But if someone else said it first, I wouldn't be surprised.
Tukaluk