Source: Unleashing the Power of Earth Observations: Barbara Ryan at TEDxBarcelona, YouTube
Related Information:
+ The Group on Earth Observations Looks Toward a Second Decade of Data Sharing, Earthzine

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