posted 14 years ago
Here's another emerging market: lacto-fermentation weights sized to fit in glass jars:
Living the Frugal Life blog I'm really happy that the inventor shared the design publicly.
"the qualities of these bacteria, like the heat of the sun, electricity, or the qualities of metals, are part of the storehouse of knowledge of all men. They are manifestations of the laws of nature, free to all men and reserved exclusively to none." SCOTUS, Funk Bros. Seed Co. v. Kale Inoculant Co.