Browsing 220 - 230 results of 491 webcasts
After years of preparation, scientists from the University of Chicago are making the long journey to the South Pole to begin construction on the new 10-meter telescope. Join us as we talk to scientists at the pole about their long journey, learn about the pre-building of the telescope in Texas last summer; and find out what challenges they face in constructing a major scientific instrument in freezing conditions.
Project: Science from the Poles | Browse All
Date: November 25, 2006
Category: Science in Action
Subject(s): Astronomy/Space Science
On November 8, 2006, Mercury slowly slid across the face of the sun during a relatively rare event known as a transit. The Exploratorium's Live@ crew was at the Kitt Peak National Observatory in Arizona to cover the event. This webcast includes a brief history of Kitt Peak and its 21 telescopes.
Project: Transit of Mercury | Browse All
Date: November 8, 2006
Category: Popular Science
Watch ancient text revealed and read for the first time in a thousand years! Archimedes was one of the world's greatest scientific and mathematical minds. His thoughts were inscribed on goatskin parchment, but the letters and diagrams were scraped off and written over by Greek monks in the Middle Ages. Now, using an intense x-ray beam generated at Stanford University's linear accelerator, some of the original Greek text will be revealed for the first time in the modern world.
Project: Evidence: Ancient Writings Revealed | Browse All
Date: August 4, 2006
Category: Everyday Science
Subject(s): History, Technology