sunlight
| 1 spectra | 0
the sun captured by handy-onset-specrometer.
Use a homemade spectrometer to scan different materials, and contribute to an open source database.
Build one Buy a kit Learn more| 5 spectra | 0
Soil samples were collected from various sites. They were then dried and 3 mole HCL was added. Samples were agitated then allowed to settle. The acid from each sample was then flame tested in a pro...
