Just in case anyone reading my previous blog post Got worms? wonders what composting and gardening has to do with engineering, here's the deal.
The National Academy of Engineering has developed a list of 14 Grand Challenges for Engineering in the 21st Century.
One of the challenges on the National Academy of Engineering's list, is Manage the Nitrogen Cycle.
Thursday, June 2, 2011
Tuesday, May 31, 2011
Last week, I posted about the different kinds of wealth there are in the world, and about how self-sufficiency can be a kind of wealth.