Changes to Smith Island, MD and Tangier Island, VA, (Chesapeake Bay). thumbnail: http://svs.gsfc.nasa.gov/vis/a010000/a010700/a010753/Smith_Island_MD_ipod_sm_gal.png

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