“The Antikythera Mechanism: http://bit.ly/fm4oFK is the oldest known scientific computer, built in Greece at around 100 BCE. Lost for 2000 years, it was recovered from a shipwreck in 1901. But not until a century later was its purpose understood: an astronomical clock that determines the positions of celestial bodies with extraordinary precision. In 2010, we built a fully-functional replica out of Lego. Sponsored by Digital Science: http://www.digital-science.com/ a new division of Macmillan Publishers that provides technology solutions for researchers. Available under a CC-BY-3.0-Unported license.
The topic is Weight and Balance, an important principal not only here on earth but in space too! We feature Ruth, an Air Force Loadmaster who performs the calculations and plans cargo and passenger placement to keep the aircraft within permissible center of gravity limits throughout the flight.
“The Best Sites For Learning About The Mars Rover Curiosity:
Mars Science Laboratory – interactive is from The Guardian.
Meet Curiosity, NASA’s New $2.5 Billion Mars Rover is from The Atlantic.” ..updated periodically