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in sustainability, appropriate technology, poverty reduction, and permaculture.
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Ethanol is a grain alcohol that can be used as fuel in most four cycle spark ignition engines. The process of making ethanol begins by extracting the sugars from a sugar crop such as sugar beets, or converting the starches of crops such as corn or potatoes to sugars. Crops used for ethanol production are titled "feed stocks". Starch and sugar crops both have their benefits depending on the region that they are produced in. The benefit of sugar crops is that they require less energy input since no starches need to be converted. The benefit of corn is that it can store much longer than sugar beets before rotting. I am using sugar beets since they were the most appropriate crop for the season and region. The sugars are extracted by juicing the beets and boiling with water. Now the solution is called "mash" and it can be fermented and then distilled to extract the ethanol.
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Dec 20 Communities online: Introducing the 'Teaching Community Technology Handbook' [1]
Dec 19 Sustainable livelihood news: WorkerTech: fighting for better work through technology [2]
Dec 19 California: These Workers are Celebrating 20 Years of Shared Bread and Shared Ownership [3]
Dec 17 Free Cash in Finland. Must Be Jobless. [4]
Dec 17 Solar Power Helps Raise Income Levels In Kenya [5]
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- Interview with Lonny Grafman on Passionate Voices
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- Recycle waste plastic into valuable products at home
- Students Build a School from Waste Products in the Dominican Republic
Service learning using Appropedia helps to create an essential knowledge base for the world via learning experiences for individuals and classes. The Appropedia Foundation and the Appropedia community work with universities via service learning courses, as well as service learning programs to create these opportunities. Appropedia internships also offer opportunities for service learning.
E215 Introduction to Design projects: This gallery lists some of the projects done by Engr215 Introduction to Design taught at Humboldt State University. All semesters taught by Lonny Grafman, unless noted otherwise.
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