>>Yep! :o) The silly things people talk about when in the field in the Army!
>>
>>Here is one I like:
>>
>>A room has three lightbulbs. Each of the switches to the lightbulbs are outside the room, and the door is closed.
>>
>>You are outside the room and cannot see anything inside the room.
>>
>>You can go inside the room only once, and once inside you need to know which lightbulb corresponds to which switch on the outside of the room.
>>
>>However, once you open the door, you must enter the room.
>>
>>Is this possible?
>>
>>
>
>Are you allowed to jury-rig the door so that when you open it, it will turn one of the lights on?

I think I got it.
Turn one switch on and leave it on, long enough for the light bulb to heat up.
Turn off that light, and turn on another just before you enter the room.