RFID has been seen as beign a potential threat to privacy. So the fact that someone came up with a way to destroy the RFID chip should not be surprising. The concept is soon ready and you can read about the RFID-Zapper here (also includes pictures).
The RFID-Zapper is a gadget to deactivate (i.e. destroy) passive RFID-Tags permanently. The development-team presently consists of two people. Goals are a proof-of-concept and the construction of at least one functioning and appealing prototype, as well as a documentation of the project, so that everyone can build an own RFID-Zapper.