The eternal question: Should toilet paper hang over or under?  Modern engineering has created an efficient way to dispense toilet paper, but it has left orientation up to the consumer.  In determining which is best, there are numerous variables, statistics, and principles of mechanics to take into account.  And simple efficiency is not the only concern: for many TP orientation is a matter of identity, lifestyle and passion.  Here is a look at this timeless and enduring debate.

Over Or Under: The Great Toilet Paper Debate

Source: Engineering Degree