By agreement with NASA’s Jet Propulsion Laboratory, the Exploratorium will show live webcasts beamed down from the Martian surface by NASA’s Spirit rover. The webcasts begin on 4 January 2004; the Exploratorium’s Exploring Mars exhibit kicks off a month earlier on 1 December.
At Stonehenge Laser Scans you can learn what three-dimensional laser scanning has revealed about the mysterious 4300-year-old relic. In particular, the Web site describes the discovery, thanks to the scans, of carvings too faint to see with the naked eye.
What are Martensites? If you don’t know, or would like to know more about the phase-hopping, industrially important materials, then visit the illustrated online tutorial put together by Cornell University’s Jim Sethna.
To suggest topics or sites for Web Watch, please visit http://www.physicstoday.org/suggestwebwatch.html.
