Richard Cetron, President of Long Island Amateur Radio Club of Long Island (LIMARC) and Gerard Abrams addressed the students on December 15 for Discovery Day. Richard Cetron is an expert on antenna design and spoke about radio telescope and communications, especially how they helped the RED Cross during Hurricane Sandy.  Mr. Cetron demonstrated how radio contact can be made with the astronauts, how an antenna can light a bulb, as well as how the system of radio operators worked together to spread information.  Both presentors  will be instrumental in setting up the equipment for the contact with the astronauts.