Beach rover uncovers Mars's ancient oceans
The landing site of the Mars rover Opportunity was once the shore of a shallow,
salty sea, NASA scientists have declared. The weight of evidence now gathered
makes the conclusion unequivocal, they say. - New Scientist, March 24, 2004.
Wire-growth
process leads to flexible nanosystems
An approach to creating single-crystal nanowires from just about any semiconducting
material is being pioneered by Charles Lieber and his group at Harvard University
in tandem with the nanotech startup he co-founded, Nanosys Inc. Together with
methods for placing wires in arrays and multilayers, the technique promises
to create complex systems at nanoscale. - EETimes March 24, 2004
5000-mph
X-43A Vehicle Ready for Flight
NASA has set Saturday, March 27 for the flight of the experimental X-43A
research vehicle. The flight is part of the Hyper-X program, a research effort
to demonstrate alternate propulsion technologies for access to space and high-speed
flight within the atmosphere. The flight will provide unique free flight data
about hypersonic (faster than Mach 5) air-breathing engine technologies. The
unpiloted 12-foot-long vehicle, part aircraft and part spacecraft, will be dropped
from a B-52. It will be boosted to nearly 100,000 feet by a rocket and released
over the Naval Air Warfare Center Weapons Division Sea Range over the Pacific
Ocean off the coast of southern Calif. It is expected to fly under its own power
at about 5,000 mph. -MoontoMars.com, March 24, 2004
11:17:24 PM 
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