$19.95
In July 1969, six hundred million people, one-sixth of mankind at the time, witnessed the historic Apollo 11 moonwalk live on TV.
This DVD contains the complete 2009 restoration of the historic TV broadcast, produced by NASA for the Apollo 11 40th anniversary. It includes newly discovered footage not seen by the public since 1969.
"This restored video is a valuable contribution to space exploration and space communication history" - Neil Armstrong.
Running time: 185 minutes. Region: 0 (all regions)
$49.95
A traditional way to read the temperature and predict the weather.
Storm Glass - Once used by seafarers to predict oncoming storms, the storm glass barometer came into general use in the early 1700's, and responds to atmospheric fluctuations to forecast the weather. Admiral Robert Fitzroy conducted a detailed study of this instrument between 1834 and 1836.
Galileo Thermometer - In 1593, Galileo Galilei discovered that the density of liquids reacts predictably to changes in temperature. He invented a device that allowed temperature variations to be measured.
$29.95
Astronomers have long known that the Universe is expanding, but everything they could see indicated that gravity should be slowing this spread. Instead, it appears that the Universe is accelerating its expansion and that something stronger than gravity --dark energy -- is at work. In Einstein's Telescope Evalyn Gates, a University of Chicago astrophysicist, transports us to the edge of contemporary science to explore the revolutionary tool that unlocks the secrets of these little-understood cosmic constituents. Based on Einstein's theory of general relativity, gravitational lensing, or "Einstein's Telescope," is enabling new discoveries that are taking us toward the next revolution in scientific thinking -- one that may change forever our notions of where the Universe came from and where it is going.