Details about the reprocessing effort and expected duration will be posted to the USGS Landsat website (http://landsat.usgs.gov) when they become available.
Please contact USGS with any questions.
To contact the Landsat Project the email address is: landsat@usgs.gov
Source: USGS Landsat Program

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