Electron Band Structure In Germanium, My Ass. I’ve handed in at least one essay exam much like this, except mine was on 19th century American Literature.

also – from TSG –

They sure do have a funny way of celebrating Independence Day in the City of Brotherly Love. A brochure detailing Philadelphia’s 10-day Welcome America! festivities contains quite a gaffe in its “Kid’s Corner” section. A word search puzzle–an alphabetical grid where terms like “flag” and “historic” are hidden–contains the word “nigga.” Oops! According to the Philadelphia Daily News, Welcome America!’s ad agency blames free puzzlemaking software from Yahoo! for generating the inadvertant slur (right–the proofreader bears no responsibility). In addition to “nigga,” TSG enigmatologists were able to quickly sleuth out three other offending words–all of which we’ve helpfully outlined in blue.