Timothy Shelly, second from left and Benjamin Chick, right of Veeder Elementary School react to a loud sound during a magic versus science show at the 25th anniversary of Science Day Thursday Nov. 7, 2013.  at the GE Global Research center in Niskayuna, N.Y.  Moore showed students from around the capital region about chemical reactions in comparison to magic reactions.    (Skip Dickstein / Times Union) Photo: Skip Dickstein / 00024541A