Henrietta Swan Leavitt (1868-1921)
Unknown to all at the time, her discovery would forever change our understanding of the universe. […]
Unknown to all at the time, her discovery would forever change our understanding of the universe. […]
The device mimics the complexity of clockwork not designed in Western Europe until a millennium later. What did the ancient Greeks use it for? […]
Copyright © 2009 Pandamensional Solutions, Inc.