The latest issue of the USGS Landsat Project Update is available on the USGS Landsat website. The 2009, Volume 3 Issue 3, includes the following articles:
+ Using the Landsat Archive
+ 25 Years of Landsat 5—Keeping the Spacecraft Orbiting Correctly
+ Landsat Free Archive—Commonly Asked Questions
+ Landsat Science Team Spotlight—Dr. Darrel Williams
+ Special Recognition—Dr. Thomas Loveland Receives Prestigious Award
+ Tips and Tricks—What can you do with Landsat’s Panchromatic Band?
+ Meetings & Conferences
+ EROS Authors in Recent Publications
+ Landsat Images of Interest—Coal Fly Ash Slurry Spill
Source:
USGS Landsat Update, Volume 3 Issue 3 (PDF)

STELLA: A DIY Handheld Scientific Instrument
If you are looking for a do-it-yourself (DIY) handheld spectrometer, you need to meet STELLA. STELLA (Science and Technology Education for Land/Life Assessment) is a portable scientific instrument developed by