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cfastie | 3 spectra |
Transmission through alcohol extracts of red ripe tomatoes and green tomatoes. Alcohol does not really extract the pigments, but the blender smashed enough cells that the suspension of plant mush h...
cfastie | 6 spectra |
Red tubes from six neon signs. Each spectrum was calibrated with the Linear Calibration macro on the lines at 616.4 nm and 659.9 nm. [See more about this at Public Lab.](http://publiclab.org/notes/...