Item of General Interest
See my page PDFs of Posts for a list of printable posts (without comments) since 2014. At the bottom of the Page, a list of PDFs of Presentations is also shown.
Monthly Archives: December 2015
This past week, I gave a presentation to a group interested in a particular type of renewable energy–solar energy that is deployed in space, so it would provide electricity 24 hours per day. Their question was: how low does the … Continue reading
Economists have put together models of how an economy works, but these models were developed years ago, when the world economy was far from limits. These models may have been reasonably adequate when they were developed, but there is increasing … Continue reading