If light doesnt have mass, then how is it effected by the gravity of black hole?
It's very erie. You got to do something, like calling a priest. The only problem is your mom don't agree. Ask her what to do.
Have an electrician take a look at it. Seems to me that your fusebox is on the fritz.
If caught, the student would be likely suspended or at least have to serve detentions.
Full In short, all that you have described can be summarized with the following, I got scared or perceived something I don't understand, therefore, ghosts are real and my house is haunted. Edit: Don't get me wrong, I believe that you are perceiving these things. I also believe you would rather believe in ghosts than look for a rational explanation.
You and your girlfriends should do some incantations, and run around the house three times naked. Wait, wait, I don't have the camera running yet,ok now!