Bill Gates introduces the Indigo, the remarkable invention that uses no electricity, no ice, and no batteries to store vaccines at the precise temperature required to remain effective.
posted by newtboy 5 years 10 months 2 weeks ago • 858 views • 2:22search results matching tag: Indigo
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YouTube description: Real indigo-dyed clothing is not like the blue you know. Richer than the chemical blues used on most fabrics today, real indigo dye comes from a plant and has a surprising range... continue reading
posted by Aard Vark (oritteropo) 6 years 3 months 3 weeks ago • 1,390 views • 3:05- 1