To all male students in the School of Engineering, math majors, or those living in Kings Court, I present you with an image you may have yet to see in person:

It’s called a bra.
Hold on boys, don’t get too excited now. Keep both hands on the keyboard where I can see them.
This was one of several objects of obsession of Diexia Wang, the Penn senior arrested recently for allegedly stalking females and stealing dozens of undergarments .
