The last little bit Published on May 26, 2020May 25, 2020 by fivecolorssandt@icloud.com No improvement yet? Sometimes you make no progress until everything’s done. Read More
Black hole ironies Published on May 19, 2020May 18, 2020 by fivecolorssandt@icloud.com Bright and dark, near and far We point out some astronomical ironies. Read More
On orbits Published on May 12, 2020May 10, 2020 by fivecolorssandt@icloud.com Curves in space Things are different out there. Read More
Inscribed by hand (II) Published on May 5, 2020May 4, 2020 by fivecolorssandt@icloud.com The technology of writing Sometimes everything changed, sometimes it didn’t. Read More
