Shamengo pioneer Pierre Calleja has invented something truly remarkable--a light powered by algae that absorbs CO2 in the air--at the rate of 1 ton PER...
EDIT: High Pressure Air, Nitrogen, Compressed Air, HPA, IS ALL THE SAME!! You're either using CO2, or your using compressed air. Compressed air is the...
I finally succeeded in extracting caffeine from green coffee beans by using supercritical CO2. I built a high pressure chamber from 2" steel pipe fittings,...