"Make a periscope" science class experiment gone horribly wrong?

Wales - A peeping Tom attached a mirror to the end of a piece of wood to spy on his next-door neighbour as she undressed, a court heard...

During the hearing, prosecutor Ian Kolvin produced the home-made spying device which consisted of a strip of wood with a broken piece of glass fastened to one end... "The defendant denied any sexual motivation," said Mr. Kolvin. (more)