Description: The Smithsonian Institution Archives YouTube channel has a new dedicated playlist for the Science Media Group Collection, which features videos from the Smithsonian Astrophysical Observatory program that was active from 1989 to 2013.
Description: [edan-image:id=siris_sic_9592,size=200,left]Did you know the Smithsonian was an early adopter of the telephone? In June of 1878, a system of electronic bells and telephones was installed throughout the Smithsonian Castle. The system connected several workrooms and offices to provide instant communications within the building. At that time, there were only 187 telephone lines