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.
Tag Archives: financial crash
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