Thursday, February 23, 2012
Q: What happens when an interstellar space craft or inner solar system space craft collides with a relatively small solid buckyball cluster?
A: A dent in the hull and minor deflection from course.
"Astronomers using data from NASA's Spitzer Space Telescope have, for the first time, discovered buckyballs in a solid form in space. Prior to this discovery, the microscopic carbon spheres had been found only in gas form in the cosmos."
- NASA's Spitzer Finds Solid Buckyballs in Space
Friday, February 17, 2012
The NYTimes article Tracking How the World Guzzles Water
By JOANNA M. FOSTER interests me because I have two half sections that are dry land farmed near Grant, Nebraska.
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The circles on the map show intense pivot irrigation agricultural practice.
T-L Center Pivot Irrigation System
The sprayers under the pivot boom are positioned above the final crop head height. These sprayers are a recent innovation delivering moisture closer the ground. The pivot irrigation practice in western Nebraska requires significant amounts of water pumped from the Ogallala Aquifer that is nominally threatened by the Keystone XL Pipeline.