| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| savargaz | "You can most definitely use spectrometers to detect different types of materials. All materials are composed differently and thus will absorb and r..." | Read more » | over 7 years ago | |||
| savargaz | "Research sites in northern Alaska as depicted from kite images " | Read more » | over 7 years ago |