The Long View 2008-03-20: Missing Greenhouse Signature; Arthur C. Clarke; JFK & Religion; Dune 2.0; Extreme Good Friday
The passing of Arthur C. Clarke in 2008 spurred this comment by John J. Reilly:
Here is a mystery: Clarke was usually counted among the Big Three of science fiction in the second half of the 20th century; the other two were Isaac Asimov and Robert Heinlein. All of them