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June 5, 2021 Archives

Saturday, June 5, 2021

CONTEXT: Ben-Hurley-Davidson

Posted at 18:33 Permalink

CONTINUITY: SpaceX Starship and Super Heavy Orbital Test Animation

Posted at 18:24 Permalink

CONTEXT: Seth Shostak—Alien Hunter

Here is my review of Dr Shostak's book, Confessions of an Alien Hunter.

Posted at 12:55 Permalink

TRACKING WITH CLOSEUPS: Two Papers “Proved” This Surface Couldn’t Exist—Then It Was Constructed

Here is background on the Barth sextic, and a deeper dive by John Baez. A 1997 proof showed that no sextic can have more than the 65 double points of Barth's construction.

Posted at 11:02 Permalink