What can you build with a bucket full of pennies?

What do a grad student, a test and a bucket of pennies have in common? Mitch Fincher gave a presentation while a Civil Engineer at Texas Tech University in 1980. His senior year he practiced giving technical presentations. For one of those presentations he used stacked pennies to build bridges, domes and pyramids. All stacks of pennies were done without any glue. Only the weight of the pennies provides the support. Behold the humble Penny!