Curator Hal Wallace talks about the development of the laser, an invention that has as many practical uses as portrayals in science fiction and fantasy.
Published 05/31/12
Curator Steven turner discusses the work and shop of Henry Fitz, America's first commercially successful telescope manufacturer.
Published 05/31/12
ʺSolution of the Black-drop Mysteryʺ Jay M. Pasachoff, Director of Hopkins Observatory and Field Memorial Professor of Astronomy, Williams College.
Published 05/24/12