MIT's OpenCourseWare
This is a site that was updated on
Monday with course materials for 500 classes at MIT. This is open to the public
so that anyone in the world can use it to better themselves and to help teachers
make lesson plans.
http://ocw.mit.edu/index.html
Cassini Spacecraft Proved Einstein Right - So Far
Albert Einstein still rules. His 1915 theory of gravity, the
general theory of relativity, has just passed its most stringent test by
far. Extremely precise measurements of the radio link between Earth and
NASA's Cassini spacecraft, bound for Saturn, match general relativity's
predictions extraordinarily close.
http://SkyandTelescope.com/news/article_1066_1.asp
Closest asteroid yet flies past Earth
An
asteroid about the size of a small house passed just 88,000 kilometers from the
Earth by on Saturday 27 September - the closest approach of a natural object
ever recorded. Geostationary communication satellites circle the Earth 42,000
kilometers from the planet's centre.
http://www.newscientist.com/news/news.jsp?id=ns99994228
"The Voyager space probe is a message in a bottle cast into
the cosmic ocean." -- Carl Sagan
Thanks to John McClain, Steve Scurlock, Ryan
Williams, Barry Smith, Chris Dahl, and others for the links and information
above. Feel free to send any interesting links
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